—___________—I want to buy a pair of shoes for my son.A. What can I do for you?B. What do you do?C. What do you buy?
-Where is your father ? -He is at work . He always has lots of work __________ .
_____is the population of Shanghai?
-Dirty water shouldn’t be poured into rivers. -_______. It will cause pollution.
-I’m new here. Could you please tell me _______? -Sure. It’s over there behind that tower.
-It’s not difficult for five workers to push the broken van away. -Yes, _______.