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#92585
A
Should you require
B
You should require
C
Must you require
D
You must require
推荐题目
Newton was sitting under an apple tree ______ an apple fell onto his head.
#92858
A
when
B
while
C
after
D
before
The message is very important, so it is supposed_____as soon as possible.
#94683
A
to be sent
B
to send
C
being sent
D
sending
His eyes suddenly widened. I knew a good idea must have _________ to him.
#92321
A
happened
B
appeared
C
occurred
D
hit
It was several years I finally realized David had lied to me.
#94916
A
when;that
B
that;when
C
before;that
D
until;why