Commas
Hyphens
Colons and semi-colons
Apostrophes
Grab bag
100

Commas would be correct in which places in this sentence: 

Mary who had too many drinks at the office party took an uber home.

Where is after Mary and after party?

100

Hyphens would be correct in which places in this sentence: 

You should always back up your files and store your back up on a separate drive.

Where is after the second back?

100

Semi-colons would be correct in which places in this sentence: 

We were traveling to Paris, France, Rome, Italy, and Barcelona, Spain.

Where is after France and after Italy?

100

Apostrophes would be correct in which places in this sentence: 

Its no wonder we cant find the right car; its black exterior is the same as every other car in this lot.

Where is in the first it's and in can't?

100

This sentence would be fixed with:

She had no reason to complain but found many reasons to do so.

What is nothing?

200

Commas would be correct in which places in this sentence: 

The monster was a tall spindly creature with a large head and one green bulbous eye.

Where is after tall and after green?

200

Hyphens would be correct in which places in this sentence: 

A nicely dressed man was looking for the hard to find dress shirts.

Where is after hard and after to?

200

A colon would be correct in which places in this sentence:  

She has five dogs including a german shepherd, a poodle, two labs, and a mutt.

Where is nowhere?

200

This would fix this sentence:  

Your going to need you're snow boots because its going to snow heavily tomorrow.

What is switching the your and you're and adding an apostrophe to its?

200

This sentence would be fixed with:

I am going to Cincinnati to interview a witness, then I am going to Dayton for a seminar.

What is a semicolon instead of a comma after witness?

300

Commas would be correct in which places in this sentence:  

After she drove to the grocery she remembered she had left her purse at home.

Where is after grocery?

300

Hyphens would be correct in which places in this sentence:  

The ten year old girl was faster than the fifteen year old.

Where is after ten and after old?

300

A semicolon would be correct in which places in this sentence: 

Everyone knows he is guilty, however, it will never be proved in court.

Where is after guilty?

300

You can correct this sentence by:

Who's briefcase is under the table in the common area?

What is change who's to whose?

300

Commas would be correct in which places in this sentence: 

The June 25 2013 email to Mr. Cain of all things shows that the company already knew of the problems.

Where is after 25, after Cain, and after things?

400

Commas would be correct in which places in this sentence:  

We drove to the mall but did not get out of the car.

Where is nowhere?

400

Hyphens would be correct in which places in this sentence: 

We were stuck in a huge hold up on the highway because of really bad accident.

What is between hold and up?

400

A colon would be correct in which places in this sentence: 

We have two new projects, the Kingston relocation and the Smith move.

Where is after projects?

400

You can correct this sentence by:

You may enter the chamber as long as it doesn't violate Congress' rules of decorum.

What is add an s after Congress' (Congress's)?

400

You can fix this sentence by:

A lot of cases were ignored in the 1990s but we are reopening them now.

What is put a comma after 1990s?

500

Commas would be correct in which places in this sentence:  

We prepared for the interview and knew the witness would be difficult but we were still surprised at his answers.

Where if after difficult?

500

Hyphens would be correct in which places in this sentence: 

Freedom of speech is a constitutionally protected right for American citizens, including those with anti American views.

What is between anti and American?

500

The appropriate punctuation for these two clauses:

The paper is jammed in the lift

We cannot finish printing

What is a semi-colon?

500

Apostrophes would be correct in which places in this sentence: 

 The two girls bikes were lying at the rivers edge.

Where is after girls' and in between the and the s in river's?

500

Commas would be correct in which places in this sentence:  

Alaska a truly beautiful rugged and expansive environment has become easier and easier for tourists to access.

Where is after Alaska, after beautiful, after rugged, and after environment?