Lesson2《History Makers》教案
（1） he advised me not to say anything until ______.
a. asked b.ask c.be asked d. i asked
答案： a 完整的句子為until i was asked
(2) unless ___ to speak,you should remain silent at the conference.
a. invited b.having invited c.being invited d.inviting
答案： a 完整的句子為until you are invited to speak,
2. 表示“花費”的句型
拓展：
(1)sb spend time/money in doing sth 某人花時間/錢做某事
sb spend time /money on sth某人在某事上花時間/錢
(2)it costs sb money to do sth 花費某人多少錢去做某事
sth cost sb money 某物花費某人多少錢
(3)做某事花時間
it takes sb time to do sth
sth take sb time
sb take time to do sth
(4) 做某事浪費時間/錢
sb wastes time /money in doing sth
sb wastes time /money on sth
運用： 翻譯
我花了10元買了這本書。
答案：1. i spent 10 yuan on the book./
2. i spent 10 yuan in buying the book. /
3. the book cost me 10 yuan. /
4. it cost me 10 yuan to buy the book.