________hehasmanyfriends,heisoftenfeelinglonely.
A、AsC
狀語從句的從屬連詞的選取。
Thefirsttaskofabrochureisto_______.
TheWesternCouncilforTravelResearchin_______employedthetermvisitor.
NeitherEnglishnorChinese________difficulttolearn.
Chinaisamountainouscountry.Hills,mountains,andplateauscover_______ofthetotalarea.
Thepolicemancameuptothelonelyhousewiththedoor_______,_______thereforawhileandthenenteredit.