Since nobody gave him any help, he have done the research on his own.
#86873
A
can
B
must
C
would
D
Need
推荐题目
(2009安徽安庆模拟) He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
#90245
A
should
B
must
C
wouldn’t
D
can’t
He is an hour late by now．He last night．
#87873
A
must stay up
B
should stay up
C
should have stayed up
D
must have stayed up
It was strange that he _____ have uttered such rude remarks on that occasion.
#87980
A
must
B
could
C
should
D
would
When I was young, I was told that I ______ play with matches
#90473
A
wouldn't
B
needn't
C
mustn't
D
daren't