题目列表(包括答案和解析)
19.The problem ________now is very important.
A.being discussed B.discussed
C.discussing D.to be discussed
18.- According to my grandma, it is a good idea to eat chicken soup when you have a cold.
-________, scientists agree with her.
A.Sooner or later B. Once in a while
C.To be exact D.Believe it or not
17.- Catherine, I have cleaned the room for you.
- Thanks, but you ________it.I could manage it myself.
A.needn’t do B.needn’t have done
C.mustn’t do D.shouldn’t have done
16._______from the top of the tower, the north foot of the mountain is a sea of flowers.
A.Seeing B.Having seen
C.Seen D.To see
15.- I’d better__________ now.The water is boiling in the kitchen.
- Good-bye.
A.ring off B.ring up C.ring in D.ring back
14.Only by shouting at the top of his voice__________.
A.he was able to make himself hear
B.he was able to make himself heard
C.was he able to make himself hear
D.was he able to make himself heard
13.-Must I give the pen to the manager ?
-No, you may give it to________you think is on duty in the office .
A.whomever B.no matter who
C.whoever D.who
12.Look! The dictionary, ________cover is red, is a birthday gift given by Tom.
A.which B.whose C.its D.where
11._______environmental damage is done, it takes many years for the ecosystem to recover.
A.Even if B.If only C.While D.Once
10.Every possible means _______to prevent the air pollution, but the sky is still not clear.
A.are being used B.have been used
C.has been used D.had been used
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