来自马书南的问题
Theyarrivedatasmallhouse____therewasanoldtree.A.infrontofwhichB.inthefrontofwhichC.inwhichD.beforethat
Theyarrivedatasmallhouse____therewasanoldtree.
A.infrontofwhichB.inthefrontofwhich
C.inwhichD.beforethat
