A. a; 不填 B. the; the

C. the; a D. 不填; the

【题目】The little boy showed great interest________chemistry when he was doing it________the first time.
A.in；for
B.on；for
C.in；on
D.for；at

【题目】I have read the materials several times but it doesn’t make any________to me.
A.meaning
B.importance
C.sense
D.significance

A. He played in the park. B. He removed the rubbish. C. He fixed the shower.

A. Deliver the man’s baby. B. Attend the man’s wife. C. Take care of the man’s dog.

【题目】________as this computer is，it may be________in less than two years’ time.
A.Up to date；up to date
B.Up to date；out of date
C.Out of date；out of date
D.Out of date；up to date

A. one B. what

C. which D. that

A. Tennis. B. Volleyball. C. Basketball.

A. to which B. which

C. for that D. for which

---I’m sorry. Mr Williams _________ to a conference long before then.

A. will have gone B. had gone

C. would have gone D. has gone