--- The fog is so thick that the express way ____ have been closed. --- You are right. I ____ have thought of that. Now we have to take another road.
#63639
A
can; should
B
may; can
C
should; must
D
must; should
推荐题目
Mr. Bush is on time for everything. How _______ it be that he was late for the opening ceremony?
#76235
A
should
B
can
C
may
D
must
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
Susan’s parents have bought a large house with a swimming pool.It be very expensive.
#76457
A
must
B
can
C
mustn’t
D
can’t