After driving for thirty miles. he suddenly realized that he in the wrong direction.
| A．had been driving. | B．had been driven. |
| C．has been driving. | D．was driven. |
The ability ________ an idea is as important as the idea itself.
| A．expressing | B．expressed | C．to express | D．to be expressed |
The setting sun was reflected on the river, ________ everything along the banks ________ all the more beautiful.
| A．to make; look | B．making; looking | C．making; to look | D．making; look |
She is a vegetarian. She will __________ if you mention eating meat in front of her.
| A．fall over the moon | B．be down in the dumps |
| C．get hot under the collar | D．laugh her head off |
The lawyer rarely wears anything other than jeans and T-shirt ________ the reason.
| A．whatever | B．wherever | C．whenever | D．however |
No matter how frequently ________, the works of Beethoven still attract people all over the world.
| A．performed | B．performing | C．to be performed | D．being performed |