问题描述：
— I wonder if I ____ smoke here.— No,you _______.Could you see the sign “No Smoking” there?
— I wonder if I ____ smoke here.— No,you _______.Could you see the sign “No Smoking” there?
选项:
a、can,needn’t
b、shall,won’t
c、must,can’t
d、may,mustn’t
— I wonder if I ____ smoke here.— No,you _______.Could you see the sign “No Smoking” there?
选项:
a、can,needn’t
b、shall,won’t
c、must,can’t
d、may,mustn’t
问题解答：
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