Beijing is one of ______ biggest cities in China.
Sandy_______ needs help_______ his homework
-Look, does the girl over there look lovely? --Yes, she is in a_______ coat.
—I’m afraid that I can't pass the English exam next week. -_______. Just try your best.
-Look at this picture. There is a bridge_______ the river, and there are three birds_______ the tree.
-Sandy, do you like English? -Yes, I spend half an hour_______ English every day.