-Can you help me my math homework, Miss Zhang? -OK. Come to my house Sunday morning. A. with; in B. do; at C. to do; on
I won’t watch TV ______ I finish my homework.
---______ to give the letter to Mr. Wang. It’s very important. ---No, I won’t.
On the 40th Earth Day, Dr Wang gave us a talk on the importance of ______ the earth.
---What did the policeman say to you just now? --- He asked _______ when the accident happened.
---Simon, I’m going to Beijing with my parents tomorrow. ---______!