假设你是李华，最近，你的外数Martin Mellish给你发Email询问你校课外活动（after-class activities）的开展情况。请你根据以下提示，写一封回信。
1、学校开展课外活动的情况：20多个社团、30多门选修课；
2、你参加的课外活动以及你体会到的益处（两点益处）；
3、为同学选择课外活动提出建议（两条建议）。
注意： 1. 词数100-120词左右；
2. 回信的开头已为你写好（不计入总词数）。
3. 参考词汇：选修课 elective,社团club
Dear Martin,
I am glad to hear from you. In your email, _______________________________________
Sincerely yours，
Li Hua
______ the number of cars, only _____small number of people have attended the meeting.
| A．Judging from; a | B．Judged from; a |
| C．Judging from; the | D．Judged from; the |
The next thing he saw was smoke from behind the house.
| A．rose | B．rising | C．to rise | D．risen |
We have been told that under no circumstances ___ the telephone in the office for personal affairs.
| A．may we use | B．we may use | C．we could use | D．did we answer |
You’ll start having positive results you replace negative thoughts with positive ones .
| A．since | B．unless | C．until | D．once |
You’d better not phone me tomorrow evening; I ____ an important meeting then.
| A．will have | B．would have | C．will be having | D．will have had |