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[主观题]
______ was once regarded as impossible has now become a reality.A.ThatB.WhichC.WhoD.What
______ was once regarded as impossible has now become a reality.
A.That
B.Which
C.Who
D.What
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______ was once regarded as impossible has now become a reality.
A.That
B.Which
C.Who
D.What
The medicine was very _____, and he recovered at once after taking it.
A.efficient
B.good
C.effective
D.sufficient
A.Zack imagined a series of news blasts at once
B.Once again Zack imagined a series of news blasts
C.Once upon a time Zack imagined a series of news blasts
Sign language is ______.
A.not used as much today as it once was
B.used as much today as it once was
C.no longer used in the schools
D.never used as much as today