A. three day B. three days

C. three-day D. three-days

【题目】—I think Mary has a very sweet _______.
— Yes, I think so. She can sing songs very well.
A.voice
B.sound
C.hearing

A. How often does he exercise ? B. How often do they exercise ?

C. How often do you exercise ?

【题目】He has got a sister． (改为一般疑问旬)
he a sister?

A. ideas B. stories

C. photos D. Information

A. to watch, go B. to watch, going

C. watching, go D. watching, going

【题目】— Why is Judy so busy all these days?
— Because she is _______ new markets.
A.picking up
B.opening up
C.looking up

A． a B. The

C. / D. an

A. Yes, it isn’t. B. Yes, this is.

C. No, it isn’t. D. No, it is.

A. in B. at

C. to D. of