Ex1:
1. I wish i had a pen pal. 
2. Mary asked Tom if he went to school by bicycle. 
3. The problem can be solved. 
4. If Peter had the jey, he could get into the house. 
5. They have loved in this village for 20 years. 
6. It took us 2 hours to get to London. 

Ex2:

1. I am happy because i have just received your letter. 

2. I live in the countryside in the North of Vietnam. 
3. A new school will be built in my village next month. 
4. The life here is quiet, peaceful and people are friendly. 
5. He is too weak to lift the table. 
6. How long does ut take you to school? 

Question 1:

1. I wish I had a penpal

2. Mary asked Tom if he went to school by bicycle

3. The problem can be solved

4. If Peter had the key, he could get into the house

5. They have lived in this village for 20 years

6. It took us 5 hours to get to London

Question 2:

1. I'm happy because I have just recieved your letter

2. I live in the countryside in the North of Vietnam

3. A new school will be built in my village next month

4. The life here is quite peaceful and the people are friendly

5. He is too weak to lift the table

6. How long does it take you to go to school?