Practice 3

1. Nam cannot go to school. He has been ill for two days.                    ( because )

2. The weather is very hot today. We feel very tired.                            ( because )

3. I have read this book many times. It is very interesting.                   ( since )

4. Nobody likes that boy. He is very lazy.                                               ( since )

5. The water in this lake very dirty. We shouldn’t swim in it.             ( since )

Practice 4. using “because of”

1. Nam cannot go to school. He has been ill for two days.                   

2. The weather is very hot today. We feel very tired.                           

3. I have read this book many times. It is very interesting.                  

4. Nobody likes that boy. He is very lazy.                                              

5. The water in this lake very dirty. We shouldn’t swim in it.