помогите доделать задания 2.3.4.
во втором 3.4.7.
в третьем и четвертом где пропуски

2.
3) I was sleeping when Dad called.
4) I was having a dream when the teacher suddenly asked me a question.
7) I was trying on a sweater when a salesperson came up to me.

3. 
2) were shopping
3) were reading
4) did you read
5) read
6) were playing
7) did you play
8) were watching
9) was you doing
10)  was watching
11) was making
12) were eating
13) called
14) were you doing
15) arrived
16) was drawing
4.
was. were having. had. were eating. were listening. were having. brought. was. finished. started. were playing. was.  were playing.  were playing. felt. went. felt. went.