______alittleearlier,Iwouldhavecaughtthetrain.
C
本题考查的是 if 引导的虚拟条件句，省略了 if 要把 had 提前。
In1995,anaverageof_______ofdomestictravelerswentonsightseeinginChina.
Thehousewasquietinthenight,________theoccasionalcoughingfrommythroat.
WhichofthefollowingisnotmentionedasWTO'sobjective?
______innsandtaverns,inparticular,gainedareputationforcleanlinessandcomfortandsetthestandardforaccommodationinotherpartsofEurope.
_______hegoes,shewillgo,andshenevercares_______happens.