With time going by, we have come to realize that creativity is it takes to keep a nation highly competitive.
A. what B. how C. why D. that
As we all know, , the pollution will get worse and worse.
A. not if carefully dealt with
B. until not carefully dealt with
C. if not carefully dealt with
D. when not carefully dealt with
—It is a long time I saw you last time.
—Yes. And it will be a long time we see each other again.
A. when; before B. after; when
C. since; before D. since; until
many times, but he still couldn’t remember the Chinese meaning of this word.
A. Having been told B. Although he had been told
C. He had been told D. He has been teaching
Whenever I enter the library, I see him at the back of the library reading.
A. sit B. sat C. seating D. seated
This sweater fits me, but I can’t afford to buy . I have to choose which is cheap enough for me.
A. it; that B. that; it
C. it; one D. that; the one
