________ with the size of the whole earth, the highest mountains do not seem high at all.
C
暂无解析
Forthenewcountrytosurvive,________foritspeopletoenjoyprosperity,neweconomicpolicieswillberequired.
________theconcerthadbegundidwerealizewhatasplendidshowitwasgoingtobe.
SinceWilliamhadbeenseriouslyillforseveralmonths,hisparentswereworriedabout________toreturntoschoolfull-time.
It'smore________tobuyaseasonticketifyoutraveleveryday.