1) As soon as she finished cooking dinner, the bell rang
2) When she was cooking she was talking on the phone
3) By the time the phone rang, she had everything ready
4) She entered, took off her coat and went to the kitchen, took the food out of the refrigerator, put it on the table and began to cook
5) When the guests came, she watched TV because she had already prepared everything in advance
6) When the guests came, she set the table, although she did everything by the time spent
7) She prepared everything in advance so she had problems
8) When the guests come, she cleaned the apartment, went shopping in the store and prepared to cook delicious pizza for dinner
9) As soon as the guests left, she had to leave for work
10) By ten o'clock in the evening, she returned home
2is singing
3is reading.reads
4is cooking.cooks
5who are you waiting for?am waiting
6rains
7don't go out,it is raining
8do you understand
9what are you writing?are you making
10why are you smiling
11meet,are you waiting
12do you usually go,am going
13do you hear,is knocking
14they are still discussing