18 баллов! Помогите пожалуйста!

1 invented
2 it has gone
3 had gone-left
4 what did you do ... did you go
5 have you had
6 was looking
7 has been teaching
8 bought- haven't worn
9 saw-was - had seen-remembered-was
10 have you heard-was-died -wrote -have you read
11 what does this word mean -have never seen
12 did you get- it had already started
13 knocked-was-had gone -didn't want
14 he had never used - didn't know
15 went -needed-had been sitting

1 invented
2 it's gone / it has gone
3 had gone
4 did you do ... Did you go
5 have you had


6 it was raining
7 She has been teaching
8 1 bought... I haven't worn
9 I saw ... was ... I'd seen/I had
seen ... I remembered ... it was
10 Have you heard ... She was ...
died ... She wrote ... Have you
read 11 does this word mean ... I've never seen
12 Did you arrive ... it had already begun
13 knocked ... was ... he'd gone /
he had gone ... he didn't want
14 She'd never used / She had never
used ... she didn't know
15 went ... She needed ... she'd been
sitting / she had been sitting