【2012贵州安顺】It’s difficult for the village children to cross the river to get to school.We think a bridge_____ over the river.
I really don’t know ___________.
—What should I do, doctor? —______healthy, you should take more exercise.
I will stay with you the doctor comes to help you.
Nowadays of business letters are written in English.?
—Hey, Paul! Don’t you remember me? —_________. You are Peter. We once were classmates.