My aunt asks whether I like a woolen sweater ________ a cotton one．

A．but

B．or

C．and

D．not

I think science is ________ than Japanese．

A．much important

B．important

C．much more important

D．more much important

We need some more ________．Can you go and get some, please?

A．potato

B．potatos

C．potatoes

D．potatoe

I ________ my homework at about nine last night．

A．finished

B．would finish

C．was finishing

D．finish

We heard a cry when we ________ TV last night．

A．were watching

B．would watch

C．watch

D．watched

When I knocked at the door, my mother ________．

A．cooked

B．cooking

C．was cooking

D．cook

When I arrived there, you ________ volleyball．

A．has already played

B．played

C．were playing

D．would play

When Mary came to see me, I ________ the music．

A．am listening to

B．listened to

C．was listening to

D．was listening

When Miss Zhao came into the classroom, the students ________．

A．talked

B．were talking

C．talking

D．talk

While Tom ________a football match, his sister was reading an interesting story in her room．

A．was watching

B．is watching

C．has watched

D．had watched