1._____your receipt to the customer service department and they will pay the money back to you.
2.It’s the sort of work that_____a high level of concentration.
3.A man is being questioned in relation to the_____murder last night.
4.Lily hoped she would pass her driving test at the first_____.
5.There’s_____dictionary on_____desk by your side.
6.The top of the hill is_____but the tree grow part up its slope.
7.—I’m very tire## —We really should stop_____and go to be##
8.A soldier should never_____from the duty of defending his nation and people even in the face of death.
9.—What were you doing when Jobs phoned you? —I had just finished my work and_____to take a shower.
10.—Why does the stream smell terrible? —Because large quantities of water_____.
B.is being polluted
C.has been polluted
D.have been polluted
11.After living in London for fifty years he returned to the small city_____he grew up as a chil##
12.After the war, a new building was put up_____there had once been a cinema.
13.If he were here, we _____ ask him.
14.I didn’t get into the three-hour quarrel; I know how it_____, though.
A.would break out.
B.has broken out.
C.was breaking out.
D.had broken out.
15.Sam offered us a lift when he was leaving the office, but our work_____, we refused his offer.
B.had not been finished
C.not having finished
16.We all regarded the poor old woman_____sympathy.
17.—We to put off our school sports meet until next month. —I_____that.
A.have decided, didn’t expect.
B.decided, didn’t expect.
C.have decided, haven’t expected
D.decide, don’t expect.
18.A new technique_____the yields as a whole increased by about 40 percent.
C.to have applied
D.having been applied
19.The long lasting war,_____with blood and deaths, ended in people’s sadness, ____no result.
B.filled, to reach.
C.filling, would reach.
20._____ fired, your health care and other benefits will not be immediately cut off.
A.Would you be.
B.Should you be.
C.Could you be.
D.Might you be.