I am so tired today. I swam _____ the river in the morning and I walked ____ the forest in the afternoon.

Many people are grateful _______ ORBIS nurse _______ their help.

It’s generous _____ them to donate money to UNICEF.
They think it’s important _____ them to help poor children go to school.

There is a tunnel between Zhongshan Road and Renmin Road. Many cars and buses go ____ it every day.

—What do you usually have ____ lunch?  —Rice, meat and vegetables.

---Is Mr Green         London?
---Yes, but he is        Shanghai now.

– Where is Miss Wang?
– She went to Shanghai last week and will return __________ three days.

What did your mother do ______ the market last Sunday?

— What is your scarf made ______?
— Silk, and it’s made ______ Hangzhou.

You look cool ____ the blue jeans and the skirt looks beautiful _____ her .
A. on; at       B. in ; in     C on ; in      D in ; on