问题
选择题
-How much shall I pay for the phone call?
-You __________. This is free of charge.
A.shouldn’t
B.can’t
C.needn’t
D.mustn’t
答案
答案:C
由后面的This is free of Charge。可以知道答案。
-How much shall I pay for the phone call?
-You __________. This is free of charge.
A.shouldn’t
B.can’t
C.needn’t
D.mustn’t
答案:C
由后面的This is free of Charge。可以知道答案。