问题
选择题
I was disappointed to spot the seller ________ in the deal and decided to deal with another one.
A．to cheat
B．cheating
C．cheat
D．cheated
答案
答案：B
考查非谓语。the seller 与cheat 之间是主动关系，所以使用现在分词。句意：我很失望发现这位卖家在交易中骗人，决定和另一家进行交易。所以选B。