I _______ have been more than six years old when the accident happened.
#89803
A
shouldn’t
B
couldn’t
C
mustn’t
D
needn’t
推荐题目
—My brother gets the first prize for computer in our city today.—I am sure he be a very smart student.
#89337
A
could
B
should
C
might
D
must
With everything she _______, she went home.
#87870
A
needed to buy
B
needed buying
C
needed buy
D
needed bought
Look at the terrible situation I am in！If only I ________ your advice.
#87551
A
follow
B
had followed
C
would follow
D
have followed
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
If you ___require any further information, please do not hesitate to contact us.
#87714
A
should
B
would
C
could
D
might