---Hurry up, _____you will miss the school bus.
---I know that, Mum. I’ll be ready in a minute.
| A．but | B．and | C．so | D．or |
— Who’s that man over there standing in the garden? Is it Mr. White?
—It __________ be him. He has gone to Shanghai on business.
| A．shouldn’t | B．may | C．can’t | D．must |
— ______ does your English teacher live, Michael?
— About 30 minutes’ drive, so he gets up early every day.
| A．How far | B．How long | C．How many | D．How often |
— Your aunt often walks the dog in the morning.
— Yeah, bad weather stops her.
| A．when | B．unless | C．because | D．since |
— Mr. Smith joined in different activities in Beijing. Do you know ___________?
— Since 5 years ago.
| A．when he went there | B．how long he has stayed there |
| C．how soon he will come back | D．when he will come here |
— Why didn’t you come to play football with us yesterday afternoon?
— I ________ my mother with the housework then.
| A．was helping | B．helped | C．had helped | D．have been helping |