Messages ______ be changed from sound into electricity before they ______ be sent by radio.
#90077
A
must; will
B
have to; can
C
can; must
D
need; may
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——Ms Lin looks rather a kind lady.——But in fact she is cold and hard on us. You ____ believe it!
#89412
A
shouldn’t
B
wouldn’t
C
mustn’t
D
needn’t
---- Where will you start your work after graduation, in the south or in the north? ---- Mm, it’s not been decided yet. I _____ continue my study for a higher degree.
#89128
A
need
B
must
C
would
D
might
Thank you for all your hard work last week. I don’t think we ____ it without you.
#90460
A
can manage
B
could have managed
C
could manage
D
can have managed
Look at the floor , Tom ! _____you watch TV while having a meal?
#89475
A
Should
B
Could
C
Would
D
Must
—Did you meet with the famous space hero , Yang Liwei ?—_______I had come here earlier !
#89298
A
If only
B
If not
C
But for
D
For fear