Fill in the gaps with the passive forms of the words in brackets

1.	The words are explained by the teacher every class.
2.	We were sent the contract yesterday.
3.	This car will not be sold. It's too old.
4.	This document has already been signed.
5.	A new restaurant will be opened next month.
6.	He was being interviewed when I came there yesterday.
7.	The traffic lights cannot be seen from that distance.
8.	This task is being done by me right now.
9.	The dishes had not been washed by the time I arrived home.
10.	These questions will not be asked.