Every solid object ______ reflect a sound，varying according to the size and nature of the object．
#87543
A
must
B
shall
C
will
D
should
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— The terrible accident is under investigation．— Actually, quicker action _____ those workers trapped in the mine．
#87562
A
might have saved
B
must have saved
C
should have saved
D
could have saved
Mike is often absent from class.” “Tell him he _________ answer for it if he goes on behaving like that.”
#89116
A
shall
B
will
C
would
D
can
I was admitted into a famous university. My success me pleased with myself, but I didn’t.
#86946
A
might have made
B
might make
C
should have made
D
should make
---Sorry, Professor Smith. I didn’t finish the assignment yesterday.---Oh, you___________ have done it as yesterday was the deadline.
#88212
A
must
B
mustn’t
C
should
D
shouldn’t
—I’m sorry. I ___________ at you yesterday.— Forget it. I was also a bit out of control myself then.
#88114
A
shouldn’t shout
B
mustn’t shout
C
shouldn’t have shouted
D
mustn’t have shouted