1, What are you going to do this weekend?

2, If the river will be more dirty, there isn’t fish

3, A shopping bag is made of reusable natural materials

4, Will your future house have a super smart TV?

5, I think, Tony might not pass the exam

IV. 1. What are you going to do this weekend ?

2. If the river isn't dirty, there will be more fish.

3. A reusable shopping bag is made of natural materials.

4. Will your future house have a super smart TV ?

5. I think, Tony might not pass the exam.

V. 1. My father can drive a car but he can't fly a plane.

2. Lan likes Chinese food so she goes to that Chinese restaurant every Sunday.

3. Although he was tired, he stayed up lateto watch a football match.

4. I don't like living in the city because it't so noisy.

5. Ba will go to Da Lat next Sunday and his brother will go to Da Lat next Sunday, too.