Viết lại sang câu bị động

Bài1: viết lại sang câu bị động
1) They are going to buy a new car next month.
2) She is going to invit Tom to the party
3) We are going to watch movietonight
4) He going to repair the bike
5) My parents are going to paint the house
6) The teacher is going to check our homework 
7) They are going to buid a bridge across the river
8) We are going to finish the project soon
9) She is going to send a letter to her friend
10) The students are going to organize a picnic