I.

1. If there was no were, people would live more happily.

2. Most people had left before the volcano erupted.

3. What would you do to protect our environment ?

4. Nam said that he wanted to become a robot designer.

5. Because of language barriers, communicating with foreigners is usually difficult. 

II.

1. Four cats have been rescued by the volunteers.

2. If the soil wasn't hardly polluted, trees and grasses would grow here.

3. Don't forget to see the opera house when you are in Sydney.

+ ) Remember to see the opera house when you are in the Sydney.

4. Since he couldn't come to the party, he has had an exam.

5. Jane said that her sister taught English science.

I. Sắp xếp:

1. If there was no were, people would live more happily.

2. Most people had left before the volcano erupted.

3. What would you do to protect our environment ?

4. Nam said that he wanted to become a robot designer.

5. Because of language barriers, communicating with foreigners is usually difficult. 

II. Viết lại câu sao cho nghĩa không đổi:

1. Four cats have been rescued by the volunteers.

2. If the soil wasn't hardly polluted, trees and grasses would grow here.

3. Don't forget to see the opera house when you are in Sydney.

Còn có thể viết là: Remember to see the opera house when you are in the Sydney.

4. Since he couldn't come to the party, he has had an exam.

5. Jane said that her sister taught English science.

#chuchoctot

Xin hay nhất ạ!!!!