I.

1. A lot of trees are going to be planted in the school yard.

2. If I had enough money, I could buy this motorbike.

3. In spite of being tired, they tried to finish their project on time.

4. My friend told me that we would go sightseeing in Sa Pa next week.

5. Because his room is untidy, his mother is unhappy.

II. 

1. I live on the outskirts of a city in Viet Nam.

2. English is spoken all over the world.

3. Kangaroo is a symbol of Australia.

4. Lena enjoy chatting on the phone with her friends.

5. Nick won't be able to go to the cinema at 2.30 PM this Sunday because he will be having a class.