27. They’re arguing on who, on earth, is known for the great discovery ______ penicillin, an effective bacteria killer.
| A．making up | B．making into | C．made of | D．made from |
—Tom, it’s time that you _______your own clothes.
—I would rather you _______that for me just like before.
| A．washed; had done | B．wash; have done | C．washed; have done | D．wash; had washed |
—I'm going to the USA.
—How long you there?
A. are; stayingB. are; stayedC. have; stayedD. did; stay
The news came as no surprise to me. I for some time that the factory was going to shut down.
| A．knew | B．had known | C．have known | D．know |
He will come to see you the moment he his work.
| A．will finish | B．finishes | C．would finish | D．had finished |
The truck ran down the hill, and the driver _________, according to the local newspaper, to have been killed.
| A．was reported | B．was reporting | C．reported | D．had been reported |