Поставьте глагол в правильную форму в страдателном залоге. 1) what/silver/use for? 2)By...

Question

Поставьте глагол в правильную форму в страдателном залоге.
1) what/silver/use for?
2)By four o`clock Nick/ to be tired/ of fishing.
3)the passes through the mountains/ often block/ with snow during the winter.
4)it was impossible to tell what was in the can, for the label/ tear off.
5)my brother/ send/ on a business trip. now he is preparing for the departure.
6)a tree was lying across the road. it/ blow down/ in the storm.
7)-are you going to the party?
-no, i/ not invite.
8)it`s a big factory. five hundred people/ employ/ there.
9)the letter/ post/ a week ago and it arrived yesterday.
10)while i was on holiday, my camera/ steal/ from my hotel room.

Answer 1

1) what is silver used for?
2)By four o`clock Nick had been tired of fishing.
3)the passes through the mountains are often blocked with snow during the winter.
4)it was impossible to tell what was in the can, for the label had been torn off.
5)my brother has been sent on a business trip. now he is preparing for the departure.
6)a tree was lying across the road. it had been blown down in the storm.
7)-are you going to the party?
-no, I haven't been  invited.
8)it`s a big factory. five hundred people are employed there.
9)the letter was posted a week ago and it arrived yesterday.
10)while I was on holiday, my camera was stolen from my hotel room.