Tony tells me he is likely to win the match and he wins he will treat us to a meal.A. t

问题补充：

Tony tells me he is likely to win the match, and he wins, he will treat us to a meal.

A. that

B. that if

C. if

D. unless

答案：

A. that

(答案→)B. that if

C. if

D. unless

解析：“托尼告诉我他很可能会赢这个比赛，如果他赢了，他请我们吃饭”。That引导宾语从句时可以省略，但是当从句中含有从句时that不省，所以答案B。