—We are worried about Tom. Why hasn’t he come back?—Don’t worry. He ______ in a traffic jam.
#62725
A
might be caught
B
may have been caught
C
can have been caught
D
should have been caught
推荐题目
----Whose book is this?----It _______ our geography teacher’s. You see, his name is on it.
#75405
A
can’t be
B
can be
C
mustn’t be
D
must be
Some “healthy” habits, such as shower every day and sitting on the loo, _____ be bad for you.
#63453
A
can
B
should
C
must
D
shall
—Everyone in my class passed the exam.—Oh, really? It ________ difficult.
#62802
A
can’t have been
B
needn’t have been
C
must be
D
mightn’t be