1. Where did you travel to last year?

2. It was difficult for me to learn English

3. When i was small, my mother often read books to me

4. He used to be a well-behaved child

5. Were they students at the local secondary school ?

6. Daisy learnt to play the piano at an early age 

7. There were not so many cars in streets 10 years ago

TL:

Bài 1

1. Where did you travel to last year

2. It was difficult for me to learn English

3. When I was small, my mother often read books to me

4. He used to be a well-behaved child

5. Were they students at the local secondary school 

6. Daisy learnt to play the piano at an early ge 

7. There were not so many cars in streets 10 years ago

Bài 2: 

4. While I was practicing the piano late last night, I heard a strange noise

5. The sheep were grazing in the field when they were scared by the noise

6.what did you do  when  the earthquake  happen yesterday
7. I  run to  catch  the bus when  I saw  Jim
8. When did you  meet James  last night  , what  did he  wear 
9. Some people  was chating  while  others  were playing  games at  the party last night
10. It was raining at this time yesterday so we  cancled  the barbecue