题目内容：

-Do you know the tall boy__you worked yesterday?
-Do you know the tall boy__youworked yesterday?
-sure.He plays tennis very welll,and often_mein tennis.
a.whom;beats b.who;wins c.with whom;beats d.whom;wins

优质解答

C
worked with sb
beat + 对手 （在竞技场上）战胜对手
不懂追问*^__^*

追问：

我明白二空不选win ,故排除B,D但一空只放with不就行了吗？虽也能选出答案，但对whom有疑惑

追答：

只有with 不行！ _with whom_you worked yesterday 是个定语从句 正常语序是 （whom） you worked with yesterday (with 在原位置时，whom 作宾语可以省） 而这句 _with whom_you worked yesterday 显然是介词with 前置了， 此时，whom这个关系代词就不可省， 否则，介词with 就成了空中楼阁了。