－__________ can you finish your homework, Ben?－ In thirty minutes.
#77165
A
How far
B
How soon
C
How long
D
How often
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--It is really fun to hike and I often go hiking in the forest.--But hiking alone in the forest ______ be very dangerous.
#63596
A
can
B
must
C
shall
D
will
— There’s somebody at the door. Who ______ it be? Is it the postman ?—No, it ______ be him. It’s just seven o’clock. It’s too early.
#74903
A
may, can’t
B
will, won’t
C
may, mustn’t
D
must, may not
The manager demanded that the work________ within three days.
#62720
A
was finished
B
had been finished
C
be finished
D
finished
— Guess what! I have won the first prize in the speaking competition. — Congratulations! You _____ put a lot of work into it.
#62583
A
should
B
must
C
should have
D
must have
Few weight-loss pills can help to keep people slim, _______?
#74637
A
do they
B
dodt they
C
can't they
D
can they