根据下列句子及所给汉语注释，在相应的横线上写出各单词的正确形式。
小题1:It is good manners to _______ (问候) each other with a smile.
小题2:Since the exam is _______ (靠近)， all the students are busy with lessons.
小题3:You can see _______ (各种各样的) kinds of animas in the preserve.
小题4:Do you know the _______ (长度) of the river?
小题5:They finally gained _______ (允许进入) to the party.
小题6:The soldiers _______ (摆动)their arms at the same pace as they marched.
小题7:Only a _______ (少数) of the students were for his opinion.
小题8:Who is to _______ (代表) our school to attend the conference?
小题9:_______（成年人）should set good examples to children.
小题10:In such weather, I prefer to stay in my _______ (宿舍), reading novels.
小题11:Don’t be too _______ (好奇的) about others’ personal affairs.
小题12:In most cases he had great courage to _______ (克服) difficulties.
小题13:_______ (旅游业) in our city is developing very fast.
小题14:We should take his health into _______ (考虑).
小题15:On no _______ (场合)can we behave like that.
小题1:greet
小题2:approaching
小题3:various
小题4:length
小题5:admission
小题6:swung
小题7:minority
小题8:represent
小题9:Adults
小题10:dormitory
小题11:curious
小题12:overcome
小题13:Tourism
小题14:consideration
小题15:occasion
小题1:greet 动词问候：greet
小题2:approaching 动词靠近：approach，本题是进行时，故使用现在分词的形式。
小题3:various 形容词各种各样的：various
小题4:length 名词长度：length
小题5:admission 名词允许进入：admission
小题6:swung 动词摆动：swing，本句为过去时，故使用过去式。
小题7:minority 名词少数：minority
小题8:represent 动词代表：represent
小题9:Adults 名词成年人：aduit,与后面的children构成对比，所以使用复数形式。
小题10:dormitory 名词宿舍：dormitory
小题11:curious 形容词好奇的：curious
小题12:overcome 动词克服：overcome
小题13:Tourism 名词旅游业：tourism
小题14:consideration 固定词组：考虑take sth into consideration
小题15:occasion 名词场合：occasion,与介词on连用。