3. recommend

vt. 推荐，介绍;劝告，建议

常用结构：

recommend sb.= recommend ...to sb. 向某人推荐，介绍

recommend sb. for 推荐某人做......

recommend sb. as 推荐某人为......

recommend doing 建议做......

recommend sb. to do sth. 建议某人做某事

recommend that ... 建议......

老师建议我们读一下 这本小说。_______________________________________

①I recommened an EnglishChinese dictionary, which I thought would be of great help to his studies.

A. Buying B. bought C. to buy D. be bought

②It has been that I try these pills for seasickn ess.

A. warned B. said

C.recommended D. Argued

4. substitute

n.____________

vt.____________

正式老师生病了，所以由一名代课老师上课。

__________________________________________.

常用结构：

substitute A for B=substitute B with/by A 用A代替B

我们的这把破椅子得换新的了。________________________________________

5. acknowledge

常用结构：

acknowledge sth. 承认某事

acknowledge doing sth. 承认做了某事

acknowledge that ... 承认......

acknowledge sth./sb. to be/as 承认某事/某人是......

It is universally (generally) acknowledged that ...

......是大家公认的

最终他们承认被打败了。

________________________________________.

台湾是中国的一部分，这是大家公认的

_________________________________________.

6. Xie lei told me she feels much more at home in England now， and what had seemed very strange before now appears quite normal .

谢蕾告诉我说，现在她在英国感到自在多了。以前认为似乎很怪的事，如今觉得似乎很正常了。