问题补充:
— What’s made you so upset?
— three tickets to the pop music concert.
A. Losing
B. Lost
C. Because of losing
D. Since I lost
答案:
(答案→)A. Losing
B. Lost
C. Because of losing
D. Since I lost
解析:这题考查动名词,句意是:--什么使你这么难过?--丢了三张流行音乐会的票。说明回答的是主语的内容。用动名词做主语。