题目内容
(请给出正确答案)
[单选题]
He was walking____ along the corridor.
A.back up
B.back down
C.back and forth
D.back of
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A.back up
B.back down
C.back and forth
D.back of
B.where he needed
C.where he is mostly needed
D.where is he mostly needed
A.acts
B.as if
C.is
D.at all
A.as for
B.owe to
C.except for
D.but for
A.on condition that
B.in case
C.suppose that
D.for fear that
A.Would he leave
B.Were he to leave
C.Was he leaving
D.If he leave
A.what he had seen
B.that he had seen
C.which he had seen
D.he had seen what
B.was blamed of
C.was to blame
D.was to be blaming