1.Helen ______ it if she doesn't want to.
1.Helen ______ it if she doesn't want to.
A.doesn't need to
B.need not to do
C.needs not to do
D.need not do
2.——_____ I answer this question in English?
——No,you ____.You ____ answer it in Chinese.
A.May,needn't,can
B.Must,needn't,may
C.May,mustn't,could
D.Must,mustn't,can
最好说明原因