题目内容：
It's high time we (take) _____ proper measures to clean our air.
参考答案：
答案解析：
简答题：It's high time we (take) _____ proper measures to clean our
- 题目分类：英语三级B级
- 题目类型：简答题
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According to the writer, insurance is _________.
According to the writer, insurance is _________.A． useful but too risky B． usefu
In both years, declining sales were followed by a dramatic r
In both years, declining sales were followed by a dramatic recovery in the fourt
()另存为()缓冲
()另存为()缓冲
I __________ you had returned the book yesterday.
I __________ you had returned the book yesterday.A． want B． would rather C． like
What is the theme of the forum?[A] Business leadership.[B] G
What is the theme of the forum?[A] Business leadership.[B] Global business commu