________inthought,healmostranintothecarinfrontofhim.
A、LosingC
這里分詞短語的意義應為“ As he was lost in thought”，意為“由于陷入沉思”，這兒填入過去分詞短語，表示一種狀態，用作原因狀語。
________inthought,healmostranintothecarinfrontofhim.
Thisis________goodreadinghabitsarenotonlyanimportantstudyskillforthestudent,butalsoanimportantlifeskillforanyone.
Thehousewasquietinthenight,________theoccasionalcoughingfrommythroat.
______isrecognizedasthenationalflag-carrier.
______aretheprimarydestinationsfortheChineseatpresent.
