Fill in the blanks with proper prep．
________ Saturday morning I usually get up very late．
We usually have classes ________ Monday ________ Friday．
Tianjin is ________ the east of China, and Japan is ________ the east of China．
There are some low mountains ________ the coast．
Jay Chou is famous ________ a singer．
I went to Qingdao last summer ________ my holiday．
It’s more dangerous ________ old people to learn skiing．
I’m looking forward ________ visiting the Olympic village in Beijing．
London is the capital of the UK, ________ seven million people．
My grandparents live in a small village ________ the coast．