We such great advance without your efforts. Thanks a lot.
| A．can’t have made | B．couldn’t have made |
| C．were unable to make | D．are unable to make |
— Excuse me, sir, could you tell me how to go to the City Hall?
— Sorry, I’m a new comer. You have to ask, I’m afraid, ______ is a native.
| A．someone | B．whoever | C．who | D．whomever |
The villagers were warned ______ the water from the river polluted by the chemical works..
| A．to drink not | B．drinking not | C．not to drink | D．not drinking |
Last Sunday, Ms. Green went to the Beauty Salon, ______ hairdressing and dated with Mr. Right.
| A．did | B．doing | C．to do | D．does |
______ is going to the north of Alaska to take another advantage there.
| A．He is said that | B．It was said he | C．It is said that he | D．People said that he |
They ______ to escape from prison last month, and now the police are still tracking them down.
| A．attempted | B．succeeded | C．managed | D．tried |