A man was killed at around 10 o’clock last night.Here are so

A man was killed at around 10 o’clock last night.Here are some people’s
statements(陈述) about what they were doing at that time.
Mr Green:I was watching TV with my wife and children at 10 o’clock .Then I went to bed.
Mrs Brown:I’m a nurse.I was taking care of a patient in the hospital at 10 o’clock last night.I got home at around 12 o’clock.
Mr Black:I was reading a newspaper at home yesterday evening,but I was too tired and fell asleep.
Mrs Green:My family were watching TV at 10 o’clock last night ,and we went to bed at about 10:30.
Sally(Mrs Brown’s patient):Mrs Brown was so nice that she looked after me late into the night until 11:30
Mrs Black:My husband went out after supper.I went to bed at 9:50,but he didn’t come back at that time.I didn’t know when he got home.
Miss Black:I was watching TV last night .I went to bed at 10:05.My mother was sleeping alone in her bedroom.I didn’t see my father last night.
1.What were the Greens doing at 10 o’clock last night?
2.What happened to Sally at that time?
3.Was Mr Black reading a newspaper at home yesterday evening according to his
wife’s and daughter’s statements?
4.According to these statements,who do you think probably murdered the man?

1. What were the Greens (注意是一家)doing at 10 o’clock last night?
The Greens were watching TV at 10 o’clock . Then he went to bed at about 10:30.
2. What happened to Sally at that time?
she was looked after by Mrs Brown late into the night until 11:30
3. Was Mr Black reading a newspaper at home yesterday evening according to his
wife’s and daughter’s statements?
No.he wasn't.
Mrs Black said her husband went out after supper. She went to bed at 9:50, but he didn’t come back at that time. She didn’t know when he got home.Miss Black said she didn’t see my father last night.

4. According to these statements, who do you think probably murdered the man?
Mr Black