用方框内所给词的适当形式填空，并把答案写在答题卷对 应的横线上。（共10小题；每小题1分，满分10分）
organize approach form short train teenager design tooth addict symphony
【小题1】 refer to young people between 13 to 19 years old.
【小题2】The English evening was so well that we really enjoyed it.
【小题3】It is reported that dogs have been used to hunt for those who were trapped.
【小题4】Now we are leaving the school and the students’ club.
【小题5】Have you the habit of getting up early?
【小题6】The house is for a large family.
【小题7】The newly-built railway has the distance between the two cities.
【小题8】A lot of my school friends eat sweets every day but I’m lucky because I don’t have a sweet —I’d rather eat a nice piece of fruit.
【小题9】Cocaine is a powerfully drug. Some drug users inject cocaine, others smoke it.
【小题10】Ye Xiao gang writes and pieces for smaller groups of musicians.Teenagers
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(答案→)Teenagers
解析：题目主要考查单词拼写，考查学生对名词复数、形容词、非谓语动词、固定搭配等的掌握情况。
【小题1】句意：青少年指的是年龄在13-19岁的年轻人。谓语用的复数，故主语也用复数，故填Teenagers。
【小题2】句意：这个英语之夜组织的如此完美，以至于我们都玩得很开心。organised有条理的，故填organised。
【小题3】句意：据报道，经过训练的狗已经习惯于搜寻被困者了。dogs与train是动宾关系，即狗是被训练的，用过去分词作定语，故填trained。
【小题4】and前后保持一致，根据leaving可知，and后也要用V-ing，故填approaching。
【小题5】form the habit of doing sth养成做某事的习惯，故填formed。
【小题6】句意：这栋房子是为大家庭设计的。be designed for为......设计，故填designed。
【小题7】句意：新建的铁路已经缩短了这两个城市的距离。shorten是及物动词，意为“缩短”，故填shortened。
【小题8】a sweet tooth一颗蛀牙，根据不定冠词a可知，应该使用单数形式，故填tooth。
【小题9】句意：可卡因是一种极易上瘾的药物。有的吸毒者注射可卡因，而有的则是吸食它。Addictive上瘾的，故填addictive。
【小题10】叶小刚给一些小的乐队写交响乐作品。symphonies and pieces交响乐作品，故填symphonies。