问题

Water, which seems so simple and common, is ______ makes life possible.

A:what
B:that
C:which
D:how

正确答案是：

同类题型

I dislike _____ when you speak loudly in public

We are all for your recommendation that the applicant ______.

The place of interest is really beautiful。—Yes，Mr White a right place

Is Miss White________ English teacher,Maria–No，she teaches________ geography.

_____ people have died of AIDS (艾滋病) since 1981.