The poet and pianist is going to give us a talk this afternoon.
| A.a | B.the | C.不填 | D.an | 
—I need to advertise for a roommate for next term. 
 —__________? Mary is interested.
| A.Why bother | B.Why not | C.So what | D.What for | 
It was so dark in the cinema that I could hardly __________ my friend.
| A.turn out | B.bring out | C.call out | D.pick out | 
Theydidn't know _________ to do with themselveswhen the project was finished.
| A.how | B.when | C.what | D.where | 
The temperature in spring here can drop __________ below zero.
| A.by | B.from | C.with | D.to | 
The meeting __________ three hours last night, which made us very tired.
| A.covered | B.had | C.lasted | D.referred |