Question

Поставить в нужную форму слова, очень нужно без ошибок !!! Заранее спасибо!!
Варианты ответов:
1. can't., couldn't, mustn't
2. are building, have been building, had built
3. who, whose, which
4. will get, get, will have got
5. not as, more, -
6. such an, such, so
7. mustn't, won't have to, won't be able to
8. has been invented, is invented, has invented

Answer 1

1. couldn't

2. have been building

3. whose

4. get

5. not as

6. such an,

7. won't have to

8. is invented