The city is built _____ two rivers come together.
| A．in which | B．which | C．where | D．that |
7．John’s ability to learn from observations and experience_______greatly to his success in public life.
| A．owed | B．attached | C．related | D．contributed |
6．--- Is there any possible way to help them get rid of such a bad habit?
--- To tell the truth, it’s very hard. But we teachers________on this problem.
| A．are working | B．had worked | C．worked | D．had been working |
5．--- Thank you every so much for your timely help.
--- .
| A．Glad to hear that | B．Think nothing of it | C．With pleasure | D．That’s right |
4．Good news came that Nancy decided to donate blood to DanHeins, and the results of the medical tests came in: She was a___________.
| A．suit | B．fit | C．match | D．Mate |
3．--- Will Helen get disappointed if I tell her she failed?
--- I think she__________.
| A．may | B．has to | C．should | D．Need |