--- He worked out such different questions at a very young age.--- Oh, he ______ a very smart student then.
#63131
A
could have been
B
should have been
C
might have been
D
must have been
推荐题目
Unluckily, we missed the train. we early.
#62750
A
must have set out
B
had set out
C
should have set out
D
set out
--- What’s the weather like? --- Pretty hot and wet in the summer, but it _____ be quite cold in the winter.
#62742
A
may
B
can
C
must
D
should
I__________through that bitter period without your generous help.
#63620
A
couldn’t have gone
B
didn’t go
C
wouldn’t go
D
hadn’t gone
—Must I hand in my homework now， Mr.Smith?—No，you ________.
#74206
A
can’t
B
shouldn’t
C
wouldn’t
D
needn’t
------ Where is my dictionary ? I remember I put it here yesterday . -------- You ______ it in the wrong place .
#62276
A
must put
B
should have put
C
might put
D
might have put