1 - Nam asked Tim which planet he liked best.

2 - He asked me how I knew about the solar system.

3 - Lan's mother asked her whether he had come to meet her the day before.

4 - She asked me whether I would go to the lecture about UFOs.

5 - He asked me whom she was talking with then.

6 - He asked Mary whether she had ever met an alien.

#NOCOPY

1. Nam asked Tim which planet he liked best

2. He asked me how I knew about the solar system

3. Lan's mother asked her if he had come to meet her the day before

4. She asked me if I would go to the lecture about UFOs

5. He asked me whom she was talking with then

6. He asked Mary if she had ever met an alien 

Ex3

1. correct