—What's this in English?
—It ________ a sheep.

A．are

B．is

C．be

D．am

改错。选出错误的选项并把正确答案写在横线上。
（    ）1. Ken ison the moon last night.
A  B   C
（    ）2. They wereon a spaceship.
A   B    C
（    ）3. Where was you yesterday morning?
A B C
（    ）4. He and Mocky werein Mars.
A   B    C
（    ）5. Ann have a dreamyesterday evening.
A B    C

用所给词适当形式填空。   
1. Tom and Mary ___________ (come) to China next week.
2. Mike _________________ (like) playing basketball.
3. Mary can __________ (read) English book at home.
4. When _________ (be) their birthday?
5. Why___________ (do) Mike like summer?
6. Which season ___________ (do) you like?

根据要求写单词
1. they(宾格)_________ 2. tall(反义词)__________
3. do(三单)__________ 4. smooth(反义词)_________    
5. is(复数)__________

is (过去式) ______