Present simple
Present continuous
Demonstrative adjectives
one/ones
but, and, so, because
100

He___ (go) to bed early.

He goes to bed early.

100

I___(study) English at the library.

I'm studying English at the library.

100

Look at___ newspaper here.

Look at this newspaper here.

100

This bag is very old.  I need a new ___.

This bag is very old.  I need a new one.

100

John likes funny movies ___ he doesn’t like scary movies.

John likes funny movies but he doesn’t like scary movies.

200

My friends ____(not/busy) because they are on vacation.

My friends aren't busy because they are on vacation.

200

I___(not/go)to the party next Saturday.

I'm not going to the party next Saturday.

200

____bottle over there is empty.

That bottle over there is empty.

200

Small pineapples are sweeter than big ___.

Small pineapples are sweeter than big ones.

200

Birds can fly ___ they can travel long distances

Birds can fly, so they can travel long distances

300

My sister's name___(be) Susan.  She is a doctor.

My sister's name is Susan.  She is a doctor.

300

We___(sing) "happy birthday" to a classmate.

We're singing "happy birthday" to a classmate.

300

Who was ___man you talked to yesterday?

Who was that man you talked to yesterday?

300

The new smartphones are much faster than the old ___.

The new smartphones are much faster than the old ones.

300

My brother wants to be an astronaut ___ he wants to travel to the moon.

My brother wants to be an astronaut and he wants to travel to the moon.

400

I live in Mexico. Where___(live)?

I live in  Mexico. Where do you live?

400

She___(not/make)dinner because she ordered pizza a few minutes ago.

She isn't making dinner because she ordered pizza a few minutes ago.

400

___bricks over there are for your chimney.

Those bricks over there are for your chimney.

400

If you buy two bottles of water, you get a third ___ free.

If you buy two bottles of water, you get a third one free.

400

Olivia was happy ___ she had a great time at the park.

Olivia was happy because she had a great time at the park.

500

My mother __(teach) English at a high school.

My mother teaches English at a high school.

500

Why are we waiting? Who____(wait)for?

Why are we waiting? Who are we waiting for?

500

Do you think ____exercises are easy or difficult?

Do you think these exercises are easy or difficult?

500

These dresses are expensive. Are there any cheap ___.

These dresses are expensive. Are there any cheap ones.

500

I think math is difficult___I like it.

I think math is difficult but I like it.