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 |