英语初二的。求救!

来源:百度知道 编辑:UC知道 时间:2024/05/24 14:03:13
用上should /shouldn't /must /mustn't 填空。
用上should /shouldn't /must /mustn't 填空。

用上should /shouldn't /must /mustn't 填空。

1 .at crossroads,we always see the traffic lights.When the red light is on, we( ).
2.When we find a big fire,we ( ).
3.When we see the sign(不许拍照)in the museum,we( ).
4.When we see the sign(不许停车)in the street,we( ).
5.When we see thr sign(不许抽烟)in the library,we( ) .

1.we must wait
2.we should call the fire fighters
3.No photos shouldn't take photos
4.No parking shouldn't park there
5.No smoking mustn't smoke

should /shouldn't 应该,不应该
must /mustn't 必须,不必

1.should / shouldn't
2.should / shouldn't
3.must / mustn't
4.must / mustn't
5.must / mustn't
至于具体用哪一个要看后面的内容