He managed to reach the summit of his career, but it was at the _________ of his health.
| A．consumption | B．credit | C．exhaustion | D．expense |
I am interested in traveling. It is ______ but ______.
| A．interesting; tiring | B．interested; tired |
| C．interesting; tired | D．interested; tiring |
The windows haven’t cleaned for a long time. They need ______.
| A．to clean | B．to be cleaned | C．cleaning | D．B and C |
I can’t help being touched_____ I see the photo of the little Afghan girl crying over her mum’s body
| A．each time | B．at each time | C．each time that | D．each time when |
If a computer crashes，you will lose the file you _____ on if you don’t save it early enough.
| A．are working | B．work | C．will work | D．worked |
_____ by the heavy snowfalls, Chenzhou, a city in South China, was cut off from the outside, ________ water and electricity shortage.
| A．Having struck; facing | B．Having struck; faced |
| C．Struck; facing | D．Struck; faced |