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
如果结果不匹配，请 联系老师 获取答案
更多“______ was once regarded as im…”相关的问题
People always greet each other warmly, ______ their different origins and briefs.
A．in regard to
B．in contrast with
C．with respect to
D．regardless of
The manager ordered the work__________
A．to start at once
B．to be started at once
C．start at once
D．started at once
They will ______ you everything you need once you start your scientific research.
A．supply
B．provide
C．take
D．offer
The medicine was very _____, and he recovered at once after taking it.
A.efficient
B.good
C.effective
D.sufficient
