If the students who killed themselves had only been more confident, their deaths ________.
#63688
A
need have been avoided
B
must have been avoided
C
might have been avoided
D
will have been avoided
推荐题目
I have trouble ________ the new words. 
#75119
A
memorize
B
to memorize
C
memorizing
D
memorized
This pair of shoes ______ Li Gang’s ,It’s too big for him .
#76071
A
can’t be
B
could be
C
might be
D
must be
----Mum, ____ I watch TV now? ----No, you ____. You _____ finish your homework first.
#77312
A
may; can’t; must
B
can; can’t; may
C
must; needn’t; must
D
may; mustn’t; can