While he was investigating ways t improve the telescope Newton made _______discovery which completely changed ____ man’s understanding of color.
| A．a ,/ | B．a ,the | C．/, the | D．the ,a |
My uncle’s house in the downtown area is much smaller than ours, but it is twice ______ expensive.
| A．as | B．so | C．too | D．rather |
Please do me a favor--- _____ my friend Stacy to Wanda Cinema at 6:00 tonight.
| A．invite | B．inviting | C．to invite | D．invited |
No. 2 Hospital has got a good _______ for fighting against the flu with its careful and smooth organization.
| A．impression | B．influence | C．reputation | D．knowledge |
The good thing about children is that they _____ very easily to new environments.
| A．adapt | B．attach | C．adopt | D．apply |
Nothing can give a mother more pleasure than to see her children ______ to be useful citizens of the country.
| A．grown up | B．turned out | C．brought up | D．brought out |