______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。
Thehousewasquietinthenight,________theoccasionalcoughingfrommythroat.
Thisis________goodreadinghabitsarenotonlyanimportantstudyskillforthestudent,butalsoanimportantlifeskillforanyone.
Motivation and personality may ________ the varying d egrees of success in one ’s career.
Heshookhandswiththevisitors________astoconveyhisapology.