----Do you know why he left so early?
----___________ for the English test, I guess.
A. Study B. Studying C. To study
There are lots of English books here, and ________ of them is easy to understand.
A. all B. every C. each
The cake is delicious, and I would like ___________ one.
A. a second B. the second C. second
You should do more ___________ instead of sitting at the desk busy doing your _________.
A. exercise; exercises B. exercises; exercise C. exercise; exercise
______ girl who will perform at the party tomorrow comes from ______ European country.
A. A; the B. The; a C. The; an
情景作文（10分）
请你根据下表中提供的材料，为中学生朋友写一篇题为“Always Be Careful”的短文,并谈谈你对中学生自我安全保护的看法。
在家 | 不要让陌生人进屋或单独出去见网友…… |
在学校 | 不要在教室里互相追逐；运动时，注意保护自己…… |
在路上 | 放学按时回家，遵守交通规则，不要横穿马路…… |
我的看法： | |
注意：1.文中不得使用自己的真实姓名和地名。
2. 词数80左右。
Always Be Careful
As a middle school student, we should try to stay away from danger .
