1.2. A: What was Peter doing yesterday at 8:45?
B: He was watching TV.
3. A: What was Peter doing yesterday at 10:30?
B: He was going shopping.
4. A: What was Peter doing yesterday at 12:15?
B: He was having lunch with friends.
5. A: What was Peter doing yesterday at 13:20?
B: He was doing homework.
6. A: What was Peter doing yesterday at 14:35?
B: He was sending e-mails.
7. A: What was Peter doing yesterday at 17:10?
B: He was playing basketball.
2.1) b;
2) c;
3) a.
3.1) She was doing her homework when the phone suddenly rang.