2、噪音那么多，以至于演講者無法使自己被聽眾聽清楚。（so… that）

　　3、作為奧林匹克運(yùn)動(dòng)會(huì)的主辦國(guó)是不容易的。（easy)

　　4、成年人有時(shí)太忙，不能玩耍。（too… to）

　　5、老師們認(rèn)為英語(yǔ)語(yǔ)法不難學(xué)。（think）

　　6、他給了我很大的幫助，真是不勝感激。（It's …of sb）

　　7、不懂裝懂的人總有一天會(huì)受到懲罰。（pretend）

　　8、說實(shí)話，直到昨天我才知道他們?nèi)ド虾Ａ�。（not… until）

　　9、只有通過實(shí)踐，才能提高你的口語(yǔ)水平。（only）

　　10、再也沒有比看到學(xué)生的進(jìn)步更使老師們高興的了。（nothing… than）

　　翻譯：

　　1. I can't have you running up and down all day long.

　　2. There was so much noise that the speaker couldn't make himself heard.

　　3. It is not easy to be a host nation for the Olympics.

　　4. Adults are sometimes too busy to play.

　　5. The teachers don't think it is difficult to learn English grammar.

　　6. It is very kind of him to give me so much help.

　　7. Those who pretend to know what they do not know will be punished one day.

　　8. To tell the truth，I didn't know that they had already gone to Shanghai until yesterday.

　　9. Only by practice will you be able to improve your spoken English.

　　10. Nothing can give teachers more pleasure than to see the students' progress.