Помогите пожалуйста, не могу понять, что здесь вставлять:

I can't hear. There are too ____ people around.

I've ____ working all day. I'm exhausted.

Sorry, you're not allowed ____ use your phone in here.

The film is ____nearly as good as the book.

It definitely wasn't David. It can't ____ been him!

____ more you practise, the better you'll get.

The talk was attended by hundreds of students, many ____whom asked questions.

I'm so jealous! ____ I wouldn't give to be in her position!