英语四六级万能句子
1. all at once 突然,同时
2. why______? the first reason is that ______.the second reason is ______.thethird is ______.for all this, the main caus
3. alien to 与...相反
4. absent from 不在,缺席
5. ahead of time / schedule 提前
6. if we can not take useful means, we may not control this trend, and someundesirable result may come out unexpect
7. on the whole 总体来说;整个看来
8. to speak frankly 坦白地说
9. it is high time that we put an end to the (trend).该是我们停止这一趋势的时候了.

10. many people insist that … 很多人坚持认为……
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