2. Someone has taken my book away. -> My book 3. He didn't help me with my homework. -> I 4. We have learnt English for three years. -> English 5 My father often reads books before bedtime . -> Books 6 Lan bought some comic books for her brother . -> Some comic books 7. My sister received a letter yesterday . -> A letter 8. She can solve the problem in just 2 minutes . -> The problem 9. Nowadays people use electricity for lighting. -> Electricity

2. My book  has been taken away 

3. I wasn't helped to do homework by him

4. E has learnt for 3 years by us

5. Books are often read by my father before bedtime

6. Some comic books were bought for Lan's brother by her

7. A letter was received by my sister yesterday

8. The problem can be solved 2 mins by her

9. Electricity is used for lighting nowadays

2.My book has been taken away.

3.I wasn't helped by him with my homework.

4.English has been learnt for three years.

5.Books are often read by my father before bedtime.

6.Some comic books were bought for her brother by Lan.

7.A letter was received yesterday by my sister.

8.The problem can be solved in just 2 minutes by she.

9.Electricity is used for lighting nowdays.