All of you must do the exercises by ______.

A. you

B. yourself

C. yours

D. yourselves

?Do you know ______. I'm going to see him.

?Sorry, I don't know

A. where does Larry live

B. where did Larry live

C. where Larry lives

D. where Larry lived

The ice in the lake is as ______ as it was before.

A. thin

B. thinner

C. thinnest

D. the thinnest

A leaf from a tree is enough ______ her happy.

A. made

B. to make

C. making

D. makes

Dogs are ______ difficult ______ take care of.

A. so; that

B. very; to

C. to; too

D. too; to

How about ______ a scarf?

A. buy

B. bought

C. buying

D. to buy

Listen! Can you hear a baby ______ ?

A. cry

B. to cry

C. crying

D. is crying

?When will you tell him the good news?

?I will tell him about it as soon as he ______ back.

A. comes

B. came

C. will come

D. is coming

You're ______late. He has already gone.

A. terrible

B. nearly

C. terribly

D. near

It is ______ to work out this problem you needn't go to the teacher.

A. enough east

B. easily enough

C. easy enough

D. very easily