—Where ______ they from? (   )
—Canada.

A．can

B．are

C．is

D．do

Where _____ my books?

A．are

B．is

C．on

用am, is, are填空
1. This _______my sister.
2. I _______ Kate.
3. She _______ my mother.
4. They _______my grandma and grandpa.
5. I _______ nine.
6. This _______ Yang Ming.

用所给词的适当形式填空。
1. –When _______ you _________ (come) to China?
--Last year.
2. Did she ________ (have) supper at home?
3. Jack ____________ (not clean) the room just now.
4. _________ (be) it cold in your city yesterday?
5.How many people ________ (be) there in your class last term?
6.It ________ (be) hot yesterday and most children _______ (be) outside.
7. There ________ (be) a football match on TV yesterday evening, but I _________ (have) no time to watch it.
8. He ate some bread and _________ (drink) some milk.
9. ________ he __________ (finish) his homework last night?
10. I__________(be) tired yesterday.

—When did you learn to walk? （  ）
—When I _____ 2 years old.

A．be

B．was

C．am

D．were