The negotiations have been______ in a positive manner.

This area of the park has been______ for high-tech exhibition.

Since colonial times, black people in South Africa have been______ by the white minority. A: depressed B: suppressed C: oppressed D: repressed

It is true that there are still abundant reserves of metals which have not yet been______, but it is necessary to take steps to ensure that alternative materials are substituted whenever possible. A: utilized B: mobilized C: acquired D: cultivated

Poverty had by no means been______, but the extreme______that had earlier characterized large sections of the country had disappeared. A: exacerbated… hegemony B: eviscerated … largesse C: eliminated… privation D: explicated … confusion E: prognosticated … lassitude

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