—Shall we go out for a swim?—Sorry, I can’t. I ______ housework for my mother now.
Sally always likes to sit ____________ Mr. zhang, because she enjoys talking ______ him.
—I’msorrythatJohnisout.—Pleaseaskhimtocallmeassoonashe____.
Guangzhou is ___ the southeast of China .
Chinese culture stands for the culture in the east. It is different from that in the ______.
The weather in Beijing is not ____ good ____ that in Hainan.