The missing boy was last seen ____ in the park with other children.
A. play B. playing
C. played D. to play
_____ to the nearest hospital, the injured boy was treated without delay and has been out of danger.
A. Rush B. Rushing
C. To rush D. Rushed
It is demanded that the system of buying train ticket in real names _____ out during the Spring Festival.
A. will be carried B. be carried
C. to be carried D. should carry
- You must have missed the last train to Guangzhou the other day.
- Oh, no, I _____.
A. haven’t B. hadn’t C. don’t D. didn’t
The accident has reached a point _____ the police have to be called in.
A. when B. that C. which D. where
As a new graduate, he doesn’t know ______ it takes to start a business here.
A. how B. what C. when D. which
