There are several factors _______ in the economy _______ make it difficult to predict the future.
| A．operate; where | B．operating; which | C．to operate; that | D．operated; what |
In recent years,___global warming is becoming___concern for people all over the world．
| A．the; the | B．不填；不填 | C．不填；a | D．the; 不填 |
What I need is nothing but an interesting book,___ that can kill the time tonight
| A．it | B．that | C．one | D．the one |
—How did you find the last night’s performance?
—Wonderful! I’ve never seenone．
| A．the best | B．a better | C．so good | D．so better |
Elizabeth took up writing while she was at college and regularlythe college magazine, which benefited her later career a lot．
| A．waited for | B．appealed to | C．contributed to | D．came for |
—What do you think of my new curtain?
—Well, it__ the wall perfectly, I think．
| A．fits | B．matches | C．suits | D．meets |