-_______?-Yes. This is Kitty speaking.
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.