题目内容
（请给出正确答案）
______ was once regarded as impossible has now become a reality.
A．That
B．Which
C．Who
D．What
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更多“______ was once regarded as im…”相关的问题
The manager ordered the work__________
A．to start at once
B．to be started at once
C．start at once
D．started at once
A．sufficient
B．proficient
C．efficient
D．potential
They will ______ you everything you need once you start your scientific research.
A．supply
B．provide
C．take
D．offer
______ you can see, I once worked in a joint venture after I graduated from college.
A．What
B．Where
C．As
D．Like
A.while
B.if only
C.as if
D.once
QUESTThe scope baseline once established and approved, is used:
A.as the basis for making future decisions.
B.to accomplish verification measures.
C.to evaluate potential changes.
D.All of the above.
E.A and C only.
139 The scope baseline once established and approved, is used:
A. as the basis for making future decisions.
B. to accomplish verification measures.
C. to evaluate potential changes.
D. All of the above.
E. A and C only
Once she was in the house, the woman behaved as if what she was looking for .
A.might be in the kitchen
B.was more likely to be upstairs
C.would be easily seen by the light from the hall
D.would look frightening to a child
A.has been made
B.made
C.been made
D.having been made
A.on has taken
B.on have taken
C.has taken
D.on having taken
