5 certainly adv. 当然
精讲 certainly作副词，意为“当然；确定”。其用法如下：

— Can you help me?
— Certainly. (= Of course.)
——你能帮我吗？
——当然。
精练（1）He (certain) knows the answer.
（2）学习英语当然很重要。
It is important to learn English.
（3）——你介意开窗吗？
——当然不。
— Would you mind opening the window?
— .

5. (1) certainly (2) certainly (3) Certainly not

一、根据所给汉语或首字母完成所缺单词。
1. The （一对夫妇）seemed to be happy with their children.
2. These boys went to the cave to find the hidden （珍宝）.
3. My father said angrily that he wouldn't give me a （一分钱硬币）any more.
4. Betty wore a silver （链子）around her neck to match her beautiful dress.
5. It is more e to go by plane than by boat, but you can choose one.
6. You can visit our school w on the internet to find more information.
7. The little girl wears a small feather c on her hair which makes her more beautiful.

一、1. couple 2. treasure 3. penny 4. chain
5. expensive 6. website 7. comb

二、用括号内所给词的适当形式填空。
1. After the (organise) gave maps to us, we started to go!
2. There are only nine (cent) left in my pocket. How could I do?
3. He'll (certain) die if you do not send for a doctor right now.
4. The library rules apply to everyone without (except).
5. My mother gives me four (dollar) to buy my favourite doll on Christmas.

二、1. organiser 2. cents 3. certainly 4. exception
5. dollars

三、完成句子。
1. 这对年轻夫妇只有一个男孩。
This only has one boy.
2. 在圣诞前夕，他们会吃一顿丰盛的家庭晚餐。
On , they will have a big family dinner.
3. 德拉卖掉了好的头发给吉姆买了一个手表链子。
Della sold her good hair and bought Jim a .
4. 那时候谁都没有很多钱，我也不例外。
At that time, no one had a lot of money, and I was .
5. 如果我能拥有这些昂贵的珍宝，我会变得很富有。
If I could have these , I would become very wealthy.

三、1. young couple 2. Christmas Eve 3. watch chain
4. no exception 5. expensive treasures