The question that puzzled them is ____ they can get rid of the air pollution in the area.
| A.how is it that | B.that is how | C.what is that | D.how it is that |
A number of high buildings have arisen ______ there was nothing a year ago.
| A.when | B.where | C.before | D.until |
It was reported that a little boy under a destroyed house for three days was pulled out alive at last.
| A.trapped | B.being trapped | C.was trapped | D.had been trapped |
Devoted to the rescue of the earthquake victims, the volunteers felt _____ but regret.
| A.anything | B.nothing | C.something | D.somehow |
----Mary broke up with me!
----You ______ have forgotten about the Valentine's Day.
| A.shouldn't | B.couldn't | C.needn't | D.mustn't |
Young people seem to have no time to spend with other people around them ______ giving so much attention to their own world.
| A.in spite of | B.regardless of | C.due to | D.according to |