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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．—Margaret ______ stay at home all day long in front of the TV.—That’ s right．She ought to go to the fitness center with us.
#88279
A
couldn’t
B
mustn’t
C
needn’t
D
shouldn’t
He hesitated for a moment before kicking the ball, otherwise he a goal.
#86634
A
had scored
B
scored
C
would score
D
would have scored
. -------It’s a red light, Tom. You __________ the car.------Sorry. I don’t see it.
#88187
A
may stop
B
should stop
C
can stop
D
will stop