_____such heavy pollution already, it may now be too late to clean up the river.
| A． Having suffered | B．Suffering | C．To suffer | D．Suffered |
The thing that ______ is not whether you fail or not, but whether you try or not.
| A．matters | B．cares |
| C．considers | D．minds |
. “Do you know that Jack ______ a postman for about six years？” “Yes, I see.”
| A．has become | B．has turned |
| C．has changed | D．has been |
“Did you get a job？” “No, I ______, but it’s no use.”
| A．expected | B．tried to |
| C．managed to | D．planned |
He regards that book _____ one of the worst that he’s _____ read.
| A．to be, ever | B．to be, never |
| C．as, ever | D．as, never |
. We’re so busy that no one in the office can _____ for any other work.
| A．spare | B．be spared |
| C．share | D．be shared |