用所给词的适当形式填空。
【小题1】The bags are those tourists’ (tour). They will e back soon.
【小题2】We were planning (plan) a day out for Nancy at that time.
【小题3】We all hope to live in a noisy (noise) environment.
【小题4】My parents have married (marry) since 1980.
【小题5】The line of people outside Space Mountain was (be) endless last Sunday.
【小题6】The swallows often fly to the southern (south) countries in winter.
【小题7】------ Where are your parents?
------ They aren’t at home. Theyhave gone to (go) to Shanghai
【小题8】It’s incorrect (correct) to kill the endangered animals.
【小题9】It is five years since Uncle John left (leave) his hometown.
【小题10】Tree-planting Day is on the twelfth ( twelve ) of March every year.
【小题11】Daniel can’t open the door because heforgot (forget) to bring his key.
【小题12】 Disneyland is famous for (famous) theme park in the world.
【小题13】There are a lot of good shoe ( shoe) shops in the new shopping mall. 【小题14】Mr. Chen and his friends often enjoy themselves ( they) when they play cards in the new park.
【小题15】The water in the river isharmful (harm). You can drink it without cooking.
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解析：
【小题1】本题的含义为包是那些游客的，故本句空格处填游客名词复数形式的所有格tourists’。
【小题2】本题的含义为在那时我们正在为一天安排计划，故本句空格处填计划的过去进行时的结构were planning。
【小题3】修饰名词环境使用形容词嘈杂的单词noisy。
【小题4】含有since短语的主句通常用完成时，本题使用现在完成时，结构为have+动词结婚的过去分词married，故本句空格处填have married。
【小题5】本题表示的是过去，主语的中心词是单数，故本句空格处填be的过去式was。
【小题6】修饰名词国家使用南方的形容词southern。
【小题7】本题的含义为他们去了上海，不在此处，have gone to表示去了某地不在此处的含义，故本句空格处填have gone to。
【小题8】本题的含义为杀了濒临灭绝的动物是不正确的，故本句空格处填不正确的单词incorrect。
【小题9】since从句通常使用一般过去式，故本句空格处填离开的过去式 left。
【小题10】本题的含义为每年的植树节在三月十二号，故本句空格处填12的序数词twelfth。
【小题11】本题的含义为丹尼尔忘记带钥匙了，本题表示的是过去，故本句空格处填忘记的过去式forgot。
【小题12】本题的含义为迪斯尼乐园以主题公园在世界上而出名，be famous for表示以……而出名的含义，故本句空格处填famous for。
【小题13】本题的含义为在新商场有许多好鞋店，shoe修饰名词遇到复数不改变，故本句空格处填shoe。
【小题14】enjoy oneself表示玩得开心，故本句空格处填他们的反身代词themselves。
【小题15】本句的含义为河流的水是有害的，故本句空格处填有害的形容词harmful。