问题

In many countries, government reports, legal papers and most business letters are the main situations _______ English is used.

A:that
B:when
C:which
D:where

正确答案是：

同类题型

It would be unwise to _______ much significance________ these opinions

The Wall Street Journal reports several research studies conducted over the past few years show a persons personality changes _____ time.

How can I keep healthy— It’s important for you _______ healthy eating habits.

Millie is very_______, so we all want to make _______ with her.

选出划线虚词意义和用法完全相同的一项（）