﹣When did the earthquake in Lushan happen?﹣It happened __________ 8:02 __________ the morning of April 20, 2013.A. on; in B. at; on C. at; in
My teacher told us ________ in the streets.
—Excuse me. You mustn’t use mobile phones. Please look at the sign _______. —Oh, I’ m sorry! I didn’t see it.
-Can you tell me _______ to travel to Dalian? -About two hours by plane.
-So many problems! I’m too tired. -You should try to _________ them by yourself. You’re not a child any longer.
—According to a research, smoking is bad for our health. —Yes, especially for teenagers. Students _______ to smoke.