1.Since nobody gave him any help, he ________ have done the research on his own
A.can
B.must
C.would
D.need
2.In the last few years, thousands of films ________ all over the world
A.have produced
B.have been produced
C.are producing
D.are being produced
3.They would regret for ________ a vote to a man of vision
A.not giving
B.giving not
C.having not given
D.not to give
4.It is no use ________ over spilt milk
A.crying
B.to cry
C.cry
D.cries
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