1. Why didnt you tell me you could lend me the money? I__________________.

　　2. The importance of traffic safety , ______________________ .

　　3. There is no doubt that _________________________ .

　　4. She was angry with her husband ,so _____________ when he spoke to her..

　　5. Travel can widen our knowledge, ________________ ,and make one open-minded as well.

　　参考答案：

　　1. neednt have borrowed it from the bank

　　2. cant be overemphasized / cant be emphasized too much

　　3. the increase in demand resulted in /caused the rise in prices

　　4. she ignored him

　　5. broaden our horizon