—— Where is John? —— He has been busy ______________ his homework.

A. until　　 B. unless　　　　C. when 　　　　D. before

A. he's taken 　　B. he'll be taken　　C. he's been taken 　　D. he'll take

A. what the matter is B. how matters stood C. what is the matter D. how is the matter

A.less

B.least

C.more

D.most

A.Could

B.Can

C.Need

D.Would

A.although

B.as

C.while

D.once

A.Whatever you say

B.Forget about it

C.You bet

D.Far from it

A. suggest him to stay　　　　B. suggested him that he should stay

C. suggest him staying 　　　　D. suggests he stay

A. No, I don't　　　B. Yes, I can't　　　C. No, I won't　　　D. Yes, I'm sure

A. either　　　B. neither　　　C. some　　　D. any