He stumbled(绊倒)on the _______ ground and fell flat on his face.
| A．undeniable | B．unfair | C．unavoidable | D．uneven |
How often do you go swimming with your brother?
| A．I have no idea | B．It depends | C．As usual | D．Of course |
I was about to get on the bus _________someone called.
| A．as | B．when | C．before | D．while |
It was Mr Green _______ looked after my grandmother when I was on business.
| A．whom | B．which | C．whose | D．who |
Don’t ________when you are in trouble, you should be brave.
| A．give off | B．give out | C．give away | D．give up |
The old man was deeply moved by the nurses who ______him while he was sick.
| A．cared for | B．went for | C．made use of | D．looked out |