Question

-May I play football in the street?

-No, you ________．

1. A.
   may not
2. B.
   mustn't
3. C.
   needn't
4. D.
   don't

Answer 1

B
這是一道關(guān)于“情態(tài)動詞”的試題．重點是測試may表示請求許可時，否定回答一般用mustn't或can't．依此規(guī)則，即可先排除A、C、D，剩下正確答案B．