such heavy pollution already, It may now be too late to clean up the river.
| A．Suffering. | B．Having suffered. | C．To suffer. | D．Suffered. |
-- What’s the matter with you?
--- _______ the window, my finger was cut unexpectedly.
| A．Cleaning | B．To clean | C．While cleaning | D．While I was cleaning |
Have you checked all the CDs _____ to the mountainous area next week?
| A．sent | B．to be sent | C．sending | D．being sent |
It’s impossible for all the people to get jobs because ______of them is not fit for them.
| A．every one | B．all | C．not all | D．none |
---I’m sure Andrew will win the first prize in the final.
---I think so. He _____ for it months.
| A．is preparing | B．has been preparing | C．was preparing | D．had been preparing |
In peace, too, the Red Cross is expected to send help ______ there is human suffering.
| A．whoever | B．wherever | C．however | D．whatever |