Vocabulary
Use It in a Sentence
Grammar
Correct the Mistake
Verb Tenses
100

concentrate

to focus

100

task

 Answers will vary.

Example: To close up the store for the night, Sarah's tasks include cleaning, counting money, and locking the doors.

100

Should vs have to

Should: recommended

Have to: required

100

John was trying to study, but he was distracting by the sound of the construction work next door.

John was trying to study, but he was distracted by the sound of the construction work next door.

100

Simple present: Sally (to take) a trip every summer.

Sally takes a trip every summer.

200

compassionate

to care about people and want to help them

200

warranty

Answers will vary.

Example: The warranty covers any repairs to the refrigerator for two years.

200

Because VS although

Because connects two clauses and shows causation.

Although connects two clauses and shows contrast.

200

Sarah has volunteered several times last year at a daycare.

Sarah volunteered several times last year at a daycare.

200

Simple past: Robert (to lick) all the icing off my birthday cake!

Robert licked all the icing off my birthday cake!

300

innovate

featuring new methods; advanced and original

300

can't wait

Answers will vary.

Example: I can't wait for our trip next month! I'm so excited!

300

As soon as VS until

As soon as: right after

Until: up to a particular time

300

The cellphone had a dead battery that I bought online.

The cellphone that I bought online had a dead battery.

300

Simple future: Donna (to cry) when her boyfriend proposes to her.

Donna will cry when her boyfriend proposes to her.

400

policy

set of rules that a business has for customers

400

distracting

Answers will vary.

Example: My classmate tapping her pencil on the desk during the test was distracting. I had trouble concentrating.

400

Participles ending in "-ed" VS Participles ending in "-ing"

Participles ending in "-ed" describe people's feelings.

Participles ending in "-ing" describe things or people.

400

Because it is pouring rain outside, I will walk to work today instead of taking the bus.

Although it is pouring rain outside, I will walk to work today instead of taking the bus.

OR

Because it is pouring rain outside, I will take the bus to work today instead of walking.

400

Present perfect: You (to see) my grocery list?

Have you seen my grocery list?

500

negotiate

to try to reach an agreement or compromise with someone by discussing it

500

innovative

Answers will vary.

Example: A product that uses innovative technology includes a new idea.

500

Relative pronouns who, that, and which

Who: refers to people

That: refers to people or things

Which: refers to things

500

My dad has cleaned the house since early this morning. Right now he is mopping the floors.

My dad has been cleaning the house since early this morning. Right now he is mopping the floors.

500
Future perfect: Carrie (to take) her antibiotic by the end of the week.

Carrie will have taken her antibiotic by the end of the week.