Chuyển câu bị động

chuyển câu bị động 

they will send you a bill at the end of the month

a local advertising company has offered Maria a good job 

he hurt his leg in an accident

my brother lent me this book

you must write the answers on one side of the paper only

he gave Mary a bunch of roses on Valentine's Day

people speak English all over the world 

giúp lẹ em cần gấp mn ơi