I hate when people talk with their mouths full.A. itB. thatC. theseD. them

问题补充：

I hate when people talk with their mouths full.

A. it

B. that

C. these

D. them

答案：

(答案→)A. it

B. that

C. these

D. them

解析：考查it用法。It的用法中有一个特殊用法如make it, get it等，语法家称之为模糊it,无所指it；本题属于这个句型：I hate it that…我讨厌…句意：我讨厌人们嘴里慢慢第说话。故A正确。