______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。
The first task of a brochure is to _______.
A well-known example of the large scale destruction of an ecosystem through vegetation removal to accommodate tourist facilities is the case of the _______.
Thegovernmentcalledoutpolicementosuppresstheriot.
Thisis________goodreadinghabitsarenotonlyanimportantstudyskillforthestudent,butalsoanimportantlifeskillforanyone.
As to the various pollutions,which of the following is NOT true?