—

A. I'm Tom.

B. I'm fine, thanks.

C. I'm tall.

D. I'm twelve.

【题目】I think it is necessary for us _________ exercise every day.
A.take
B.to take
C.taking
D.taken

--Please ask him to call me as soon as he________

A. returnsB. will returnC. is returning

A. toB. inC. on

A. has;have B. have; have C. have;has

【题目】We want students for the school show. If you _________ play the guitar, please talk to Mr. Zhang after school.
A.can
B.may
C.should
D.must