【题目】Sam and Bobby are really good at playing table tennis. Willy _________ for _________. ( )
A.cheer; themB.cheers; themC.cheer; theyD.cheers; they
【答案】B
【解析】
句意为“山姆和波比非常擅长打网球。Willy为他们加油。”Willy是第三人称单数,cheer要用单三式cheers,for是介词,要用代词的宾格。them他们(宾格),they他们(主格),故选B。
