Dad, must we wait until the light becomes green? — Yes, I’m afraid we ______. That’s the traffic rule.

What time do the police ______?

MaYun is a_________ businessman. He can always deal with many problems______ .

This is _____ book. And it is ____ English book.

Mrs. Brown, I don’t think we can get there on time by bike. — You mean it’s ___________ for us to take a taxi?