Как ответить на вопрос: in which museum csn you see a collection of russian painting - winter palase or the russian museum?

In the Russian Museum

1) What was you doing when your parents arrived? I was doing my homework.2) When he was watching TV, the phone rang.
3) He was sleeping when friends came to him.
4) Did you find mushrooms when you was walking in the forest?
5) When she was going to work, she met her friend.
6) Who helped you to clean the room?
7) Did he tell you this story? "Yes, he told it at three o'clock."
8) When we left the house, it was raining heavily.
9) I was thinking about a very difficult question, when suddenly the phone rang.
10) When I met her, she was in a hurry to work. 
11) What was he doing yesterday at seven o'clock? - He was working on the report.
12) We saw the squirrel when we was walking in the forest.
13) She was sick and laying in bed when we came to visit her.
14) He was driving the car when he felt the pain in a heart.
15) Children was crossing the road in the wrong place, whenthe policeman stopped them.
16) I was brushing my teeth when the phone rang.
17) Yesterday at six o'clock I was doing my homework, and my mother was reading newspapers.
18) When he came home, his family was having lunch.
19) Grandmother looked out of the window and saw that the grandson was playing in the yard.
20) Yesterday at seven o'clock we were discussing this question.

1) What were you doing when your parents came? I was doing my homework.
2) When he was watching TV, the phone rang.
3) He was sleeping when his friends came to him.
4) Did you find any mushrooms, when you were walking in the wood?
5) When she was going to work, she met her girlfriend.
6) Who was helping you (to) clean your room?
7) Did he tell you this story? - Yes, he told it to me at three o'clock
8) When we left the house (=went outside), it was raining heavily.
9) I was thinking over a very difficult question, when suddenly the phone rang
10) When I met her, she was hurrying to work.