问题
_____ successful launching of Tiangong-1,China’s space dream has taken ______ step closer to reality
A:run out
B:use up
C:run out of
D:using up
B:use up
C:run out of
D:using up
正确答案是：
同类题型
46 Our manager allowed _______to take aholiday next week.
Don’t smoke here,Dad. Smoking in public places. .— Oh ,sorry. I’ll stop right now.
________there are a large number of chemical factories, the air is likely to be polluted.
Did you enjoy the movie—Sure，it is ________ a beautiful country town with a variety of cultures.