来自李国章的问题
Thebigtree____oursittingroomonChristmasDaylookslikearealoneA.infrontofB.atfrontofC.inthefrontofD.with
Thebigtree____oursittingroomonChristmasDaylookslikearealone
A.infrontofB.atfrontofC.inthefrontofD.with




