--- 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
The art exhibition is really worth _______，and you’re sure to learn lot from it.
#77411
A
visit
B
to visit
C
visited
D
visiting
— Simon, when are we going to have a class meeting this week?— Sorry. Ask our monitor, please. He know.
#75620
A
may
B
can
C
will
D
shall
— What are you doing this Saturday?— I’m not sure, but I go to the Rolling Stones concert
#62947
A
must
B
would
C
should
D
might
---Who is the tallest boy? ---It ______ be John.. John is of medium height.
#75022
A
must
B
needn’t
C
might
D
can’t