---Could I go boating this weekend, Dad?---Yes, you ________. But you ________ come back before lunch.
#74541
A
could; must
B
can; must
C
could; should
D
must; should
推荐题目
It’s nearly eight o’clock. I must hang up and get down to work. My boss________ be here at any moment.
#63113
A
should
B
must
C
could
D
would
—Why，I didn’t get you on the phone.—We ________football on the playground when you phoned.
#62277
A
must be playing
B
must play
C
must have played
D
must have been playing
—Look at the man in the classroom! Is he Mr. White?—No, it __________be him. He’s eating in the dining hall.
#77773
A
can’t
B
mustn’t
C
may not
D
needn’t
- You talk so much about London. You ________have been there. - Yeah, I went sightseeing on a tour last summer.
#62580
A
must
B
can
C
will
D
need
A hot balloon blew up in Egypt. There ________ something wrong with the quality of it.
#62333
A
may have been
B
must be
C
need have been
D
might be