Professor Smith, along with his assistants, _____ on the project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
It was in time of danger ________ he made the final decision ________ they should send more doctors there.
| A．where; that | B．when; which |
| C．where; what | D．that; that |
It is a great for any man to be able to talk or hear, neither ignorantly nor ridiculously, upon any subject.
| A．advantage | B．chance | C．fun | D．importance |
They suggested that the professor _____ just now _____ chairman of the meeting.
| A．referring to; was made | B．referring to; be made |
| C．referred to; be made | D．referred to; was made |
Everyone in the village hoped that he would ______ after a few days’ treatment.
| A．pick up | B．come up | C．keep up | D．make up |
Your cousin is saida new computer program recently, but do you know when he will finish it?
| A．to design | B．to be designing |
| C．to have been designing | D．to have designed |