试题详情
— Li Lei, hurry up! The bus is coming.
— Oh, no. We cross the street until the traffic lights turn green.
- A、mustn't
- B、may not
- C、needn't
- D、have to
知识点
参考答案
采纳过本试题的试卷
— Oh, no. We cross the street until the traffic lights turn green.