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 |
I can __________ the house being untidy, but I hate it if it's not clean.
A.come up with | B.put up with |
C.turn to | D.stick to |
Put __________ use in April 2000,the hotline was meant for residence reporting water and heating supply breakdowns.
A.into | B.in |
C.at | D.on |
I always dream of __________ to travel to different places, meeting different people.
A.being a chance | B.there chance |
C.there to be a chance | D.there being a chance |
Come and __________ your wet coat, or you will catch a cold.
A.put on | B.remove |
C.pick up | D.put away |
The __________ of the Itaipu Dam took 30,000 people seven years.
A.construction | B.structure |
C.destruction | D.instruction |