—You can hardly imagine the pleasure of chatting with friends on Wechat (微信).
—Really? But it ______ cause you much trouble if someone get your personal information.
A. may B. must C. need D. should
_________, when Marx was already ________, he began to learn Russian.
A. In 1870s; in his fifties B. In 1870s; in fifties
C. In the 1870s; in his fifties D. In the1870s; in fifties
He made a serious mistake, but he took action to change that _________ it got worse.
A. until B. when C. because D. before
We should try our best to make ______ world that is safer, cleaner and healthier than ____ one we are living in now.
A. the; / B. a; / C. the; the D. a ;the
书面表达 （共1小题，满分15分）
安全对于每个人都很重要。中学生年龄较小，学生安全更是人们关注的焦点，请根据以下提示，写一篇关于学生安全的英语作文。
内容提示：
1. 交通安全：遵守交通规则,不闯红绿灯等；
2. 食品安全：吃健康食物,不吃垃圾食品等`；
3. 活动安全：进行体育锻炼时,不要弄伤自己,不私自下河游泳等`。
作文要求：
1. 词数：100词左右。正文开头已给出，不计入总词数；
2. 作文应包含所有要点，可适当发挥；
3. 作文句型有变化，有复合句。
参考词汇：焦点：focus 遵守： obey 交通规则：traffic rules...
Safety is very important to everyone. __________________
完成句子（8小题；每小题1分，满分8分）
阅读下列各小题，根据汉语及句末括号内的单词提示，用相关的动词完成句子。
1. 春天是植树的季节。
It’s time _____ _____trees in spring.(plant)
2.使我们惊讶的是，他什么也没说就走了。
To my surprise, he left without ____ _____(say)
3.人类和动物应该和睦相处。
Humans should ___ ____ ___ _____ animals. (get)
4.由于大雨，他们停止了打篮球。
Because of the heavy rain,they____ _____ basketball. (stop)
5.遇见老师时，你应该向老师问好。
You ____ ____ ____ say "Hello" to your teacher when you meet them. (suppose)
