—Guess what! I have got A for my term paper.  —Great! You  _______  read widely and put a lot of work into it.
#88024
A
must
B
should
C
must have
D
should have
推荐题目
—Why didn’t Susan come to school? —I don’t know. She____ ill.
#87988
A
could be
B
may have been
C
might
D
must have been
The safety belt saved the boy; otherwise, he _____ in the accident.
#86842
A
would be killed
B
was killed
C
had been killed
D
would have been killed
The ecologists urged measures _______ to protect the wildlife.
#87408
A
would be made
B
would be taken
C
be taken
D
be made