试题详情
—Li Lei, hurry up! The bus is coming．
—Oh, no. We cross the street until(直到) 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(直到) the traffic lights turn green．