IV.

1. travelling - to join (spend some time Ving)

2. to buy

3. is performed (bị động)

4. preserve

5. is visited (bị động)

6. taking - can

7. will feel (Tôi hi vọng - tương lai)

V.

1. I pass the test; therefore, my parents took me to the cinema.

2. I enjoy visiting many different countries, yet I wouldn't want to live overseas.

3. Paul has a three-week holiday; moreover, he has enough money to travel.

4. We are out of food, so we should go to the supermarket and buy some things.

5. I feel tired; however, I need to finish my work.

IV.

1. traveling - to join 

2. to buy

3. is performed

4. preserve

5. is visited

6. taking - can

7. will feel 

V.

1. I pass the test. Therefore, my parents took me to the cinema.

2. I enjoy visiting many different countries, yet I wouldn't want to live overseas.

3. Paul has a three-week holiday. Moreover, he has enough money to travel.

4. We are out of food, so we should go to the supermarket and buy some things.

5. I feel tired. However, I need to finish my work.