1.you shouldn't leave the documents in the desk.You should lock them up 2.no one can do anything unless someone gives us more information 3.nobody swept this street last week Chuyển sang modal verbs

2 câu trả lời

1. You shouldn't let the documents be left on the desk. They should be locked up.

2. Nothing can be done unless we are given more information.

3. This street must have been swept last week. (But nobody did that.)

1. The documents shouldn't be left in the desk. They should be locked up.

2. Nothing can be done unless we are given more information.

3. This street wasn't swept by anybody last week. 

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