—Does Peter have a tennis racket?— ________ . But he has some tennis balls.
What _______ Tom reading ?
-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.