Driving on the highway ______ be very dangerous, so you ______ be too careful.
#87841
A
should; ought to
B
could; should
C
might; mustn’t
D
can; can’t
推荐题目
They were abroad during the months when we were carrying out the investigation, or they _____ to our help.
#86376
A
would have come
B
could come
C
have come
D
had come
--Who is the person talking with you just now? -- Well, if you ______ know, his name is David.
#88076
A
may
B
can
C
must
D
shall
—Is Pro. Smith giving the speech today?—It __________ be him. He is abroad right now.
#87621
A
can’t
B
needn’t
C
won’t
D
mustn’t
The manager considers it is important that everything _______ by weekend.
#86435
A
will complete;
B
has completed
C
be completed
D
is completed