John__________havingdonesomethingwrong.
A: have been aware
B: has been aware of
C: has been awared of
A: have been aware
B: has been aware of
C: has been awared of
举一反三
- It ( ) at Christmas that John gave Mary a silk handbag. A: is B: has been C: may have been D: ought to have been
- John should have been aware of the _ of smoking to his health. A: dangerous B: danger C: safety D: safe
- He should have been ________ what his junior officers were doing. A: aware B: aware of C: aware from D: aware off
- All possible means ，but not a means an obvious effect。 A: have been tried; has B: have tried; has C: has been tried; have D: have been tried; have
- John is the only one of the staff members who __________ to be promoted. ( ) A: is going B: has been C: have been D: are going