Many lakes and rivers have been___by industrial waste. A: polluted B: polluting C: pollute D: to pollute

I _______ to the museum. A: am been B: been C: have been

70（） A: been turned down B: been turned away C: been tamed up D: been turned out

-Where is your father?-He ________ Australia and he ________ Sydney for two weeks. A: has been to;has been in B: has gone to;has been in C: has been in;has been to D: has gone to;has been to

It’s a shame _________ able to give them any advice. A: not to have been B: to have not been C: to have been not D: to not have been

The old man repented that he ______idle when young. A: has been B: having been C: had been D: have been

John__________havingdonesomethingwrong. A: have been aware B: has been aware of C: has been awared of

The patient______ in the hospital for a week. A: has been B: is C: have been D: had been

Only time will tell if we （） A: had been succeeded B: have been success C: had been successful D: have been successful

Hey Mark, ____________________ A: It's been while. B: It's been awhile. C: It's been long time. D: It's been long while.