1. Mr. Nam works hard. ( Mình có sửa đề nhé.)

2. Mai and Nga are very bad singer.

3. An is a very good cook.

4. They are very fast runner.

5. If we recycle, we will save natural resources.

6. If you are careless, you will break the vase.

7. If you work too much, you will be tired.

Đáp án :

1 . He is a hard worker

( Mik cảm thấy đề hơi sai , nên nếu mình được sửa lại đề , mik sửa is `->` works nha `->` He works hard)

2 . Mai and Nga are bad singers

3 . An is a good cook

4 . They are fast runners

5 . If we recycle , we will save natural resources 

6 . If you are careless , you will break the vase

7 . If you work too much , you will be tired

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