1 am helping
2 We play
3Works
4is singing
5read to
6 is eating the
7 lives
8 Does
9Are watching
10 Sleeps
Beautiful
amazing
fun
romantic
interesting
unusual
exciting
74) С
75) А
76) В
77) B
78) A
79) A
80) C
81) C
82) B
83) A
84) B
85) C
86) B
87) B
88) C
89) B
90) A
91) A
92) B
93) C
94) B
95) A
96) C
97) B
98) B
99) A
100) C
-While the children were running their mother was working about the house.
-While my father was looking through the magazine my mother was cooking dinner.
- While Ann was reading a novel Jill was doing her homework.
-They were talking when I saw them in the street.
-I was having a shower when the telephone rang .
Это правильный глагол, поэтому к нему добавляем только -ed, и так же в случае слова drop, буква Р удваивается. Получаем:
Drop-dropped-dropped.