来自林兰芬的问题
Doyouknowwholivesinthebuilding________thereisawall?A.infrontofB.infrontofwhoseC.infrontofwhichD.infrontwhich
Doyouknowwholivesinthebuilding________thereisawall?
A.infrontof
B.infrontofwhose
C.infrontofwhich
D.infrontwhich

