It was in the lab was in the charge of Mr white they did the experiment.
| A．Where; what | B．which; that |
| C．that ; where | D．that ; which. |
一I apologize for having made a mess in your bathroom．。
一_______. After all，you didn’t mean it．
| A．You’re welcome | B．It’s my pleasure | C．Don’t mention it | D．I can’t agree more |
—Will you be _____ this afternoon, John?
—It depends. I’m afraid I’ll be called in by my manager.
| A．suitable | B．convenient | C．accurate | D． available |
—Do you think we should put an ad in the paper for the lost child?
—Yes, ______.
| A．that’s all right | B．by all means | C．it just depends | D．never mind |
The key to our success was having the courage to take on any job and then being creative in our ____ to getting it finished.
| A．measure | B．method | C．appoint | D．approach |
Though it is the first time they have met, they talked as if they _____ friends for many years.
| A．are | B．were | C．had been | D．have been |