Mike used to be a top student, but he _______ behind since he lost himself in computer games.
A.fell B.has fallen C.was D.has been
— I hear that your good friend David ________books about history.
— Yes, but now he ________science books.
A.used to read; used to read B.use to read; used to reading
C.use to read; is used to reading D.used to read; is used to reading
根据森绿重庆热点，3月12日是我国的植树节，我校师生去西山开展了志愿者活动———植树。我的美国笔友Mary对此活动很感兴趣，假如我是李伟康，请通过邮件将此活动情况和感想介绍给她。
要求：
1. 介绍清楚活动过程;
2. 词数:80—120词字左右（开头和结尾已给出，不计入总词数）;
3. 文中不能出现自己的姓名和所在学校的名称。
参考要点：活动过程（挖洞，栽树，浇水.......）;活动感想;此活动意义，从中学到了……..
Dear Mary,
Thank you for your last E-mail. Let me tell you what we did on 12th March. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
If you have the chance in China, I hope you can join us.
Yours,
Li Weikang
根据下面短文内容，在短文的空格处填上一个恰当的词，使短文完整、通顺。
An old man lived in a nice house with a large garden. He 1. good care of his flowers and his garden was always colorful.
One day a boy went by the garden. When he saw these beautiful 2. , he couldn’t believe his eyes. How happy he would be if he could live in this beautiful place! Then, 3. his surprise, the boy found the old gardener was 4. . He felt very sorry for the old man and he asked him, “You can’t see these flowers. 5. do you still keep a garden?”
The old man smiled and said, "I can tell you the reasons. First, I was a gardener when I was young, and I really like this job. Second, 6. I can’t see these flowers, I can smell the sweetness of them. The last one, that’s because of 7. ."
“Me? But you don’t know me,” said the boy.
“Yeah, it’s true that I don’t know you. But I know others will feel happy if they see the garden and that is what I want to share with them.”
To give is much better 8. to receive. You will feel happier if you are willing to share your happiness with others.
我想呆在家里而不想出去。（完成译句）
I want to stay at home ________ ________going out.
我们不能在如此短的时间内完成这项任务。
The time is ________ short ________ we can’t finish the task on time.
