中国共产党的中流砥柱作用是中国人民抗日战争胜利的决定性因素。( )
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《抗日游击战的战略问题》阐明了抗日战争发展规律和实行的战略总方针。( )
A. 对
B. 错
Among the following semi-auxiliaries, which one cannot be not transformed into an “ It...that-clause” construction?
A. be certain to
B. be likely to
C. turn out to
D. be bound to
In the sense of refusal to give permission, we can use the following forms except:
A. not allowed to
B. not permit
C. might not
A:Must I see a doctor at once?B:No, you ____ see a doctor for the time being.
A. needn't
B. don't have to
C. mustn't