I can't find my backpack. I'm afraid I have ________ it in my home.

A. missed

B. lost

C. got

D. left

桯ow can you do your homework ________ the music is so loud?

梂ell, I'll turn it off.

A. because

B. when

C. for

D. where

I think ________ invention in the twentieth century is the computer because it gives people more time to work and play every day.

A. important

B. more important

C. the most important

D. most important

桰 have a toothache.

桵aybe you should see a ________.

A. dentist

B. friend

C. driver

D. pilot

梂hat's ________ favorite day?

桵y favorite day is Sunday.

A. her

B. his

C. your

D. our

The Smiths ________ a happy life.

A. live

B. lives

C. lived

D. is lived

To take part in the party, he ________ well.

A. dressed

B. dresses

C. is dressed

D. was dressed

What's this ________ English?

A. to

B. is

C. in

D. on

梂hat's this?

?________.

A. This is "a watch"

B. It's "a watch"

C. I'm "a watch"

D. Is "watch"

桯i, Tom.　　

?________.

A. Morning, John

B. I'm Amy

C. Hi, Jim

D. I'm sorry