W your help,I couldn't have passed the exam.
I left my book at home.May I borrow (你的)?
In the USA,people eat with (刀) and forks.
The number 13 is considered an (lucky) number in some Western countries.Many hotels and tall buildings don't have a 13th floor or a Room 13.
School bus (safe) is a big problem in China.
Sometimes,a person's whole life is (easy) changed by something unexpected.