While he was investigating ways to improve the telescope, Newton made ______ discovery which completely changed ______ man’s understanding of colour.
| A．a; 不填 | B．a; the | C．不填; the | D．the; a |
-- May I speak to your manager Mr. Williams at five o’clock tonight?
--I’m sorry. Mr. Williams _______ to a conference long before then.”
| A．will have gone | B．had gone | C．would have gone | D．has gone |
--Professor Johnson, I'm afraid I can't finish the report within this week.
--_______ How about next week?
| A．Good for you | B．It won’t bother me | C．Not at all | D．That’s OK |
The system has been designed to give students quick and easy________to the digital resources of the library.
| A．access | B．passage | C．way | D．approach |
________, as long as I’m with nature, I don’t care.
| A．However tough the journey is | B．Whatever tough the journey is |
| C．However the journey is tough | D．Whatever the journey is tough |
you don't like him is none of my business.
| A．What | B．That | C．Whoever | D．Whether |