We consider _________the instrument be adjusted each time it is used.选项:a、that it necessaryb、it necessary thatc、 necessary thatd、necessary of it that
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We consider _________the instrument be adjusted each time it is used.选项:a、that it necessaryb、it necessary thatc、 necessary thatd、necessary of it that
We consider _________the instrument be adjusted each time it is used.
选项:
a、that it necessary
b、it necessary that
c、 necessary that
d、necessary of it that
We consider _________the instrument be adjusted each time it is used.选项:a、that it necessaryb、it necessary thatc、 necessary thatd、necessary of it that
b.
b
选b
选B,100%正确
这里的it引导后边的一个that从句
that the instrument be adjusted each time it is used.