However, in ______ recent years, Niagara Falls have come to be appreciated more for their natural beauty as ______ wonder of nature.
| A．不填; a | B．the; the | C．不填; the | D．the; a |
________ it is expected that students come to college with the ability to solve most problems in their study by themselves , this is not always the case.
| A．When | B．While | C．For | D．As |
--- Wow, you look good. Your hair looks fantastic. You’re so giving and kind. I’ve always liked you.
--- _______! Get to the point. I haven’t got all day.
| A．Enough | B．Thanks | C．Really | D．Again |
--- What was the Shanghai World Expo’s opening day like?
--- Wonderful. It’s years ______ I enjoyed myself so much.
| A．that | B．since | C．before | D．when |
________ I know, the new airport runway has been under construction for nearly two years.
| A．As long as | B．So long as | C．As far as | D．So far for |
The cars in the auto show vary ______ price from $ 100,000 ______ $ 2 million, but they have attracted many customers.
| A．in; to | B．with; and | C．of; with | D．from; to |