题目内容
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[主观题]
Not only the switches but also the old wiring ______ changed. A. have B. are C.
Not only the switches but also the old wiring ______ changed.
A. have
B. are
C. have been
D. has been
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Not only the switches but also the old wiring ______ changed.
A. have
B. are
C. have been
D. has been
A programmed computer begins to show on its screen the figures you need
A.to be switched on
B.when switched on
C.switching on
D.being switche don
A、Only if……can
B、If only ……can
C、What if……can
A.Not only
B.Do not only
C.Not only do
______ the surface of metal, but also weakens it.
A.Not only does rust corrode
B.Not only rust corrodes
C.Rust not only corrodes
D.Rust, which not only corrodes
______ succeed in doing anything.
A) Only by working hard we can B) By only working hard we can
C) Only by working hard can we D) Only we can by working hard