If they had known what was coming next, they __ their mind.
#87344
A
may change
B
could change
C
must have changed
D
might have changed
推荐题目
Something ___ to save our earth. Do you think so?
#88938
A
can do
B
must do
C
has to do
D
must be done
 I ___to my cousin’s birthday party last night, but I was not available
#86788
A
went
B
had gone
C
would go
D
would have gone
 It was suggested that the meeting ______ the next day.
#87849
A
be held
B
must be held
C
held
D
should hold