题目内容
20.All the assistants are the students who come from different famousuniversities.(university)分析 所有的助理都是来自于不同的著名大学的学生们.
解答 答案:universities.这里是一个含有定语从句的主从复合句,先行词是the students是复数,且是不同的different,故空格处也用复数,所给单词university是单数,复数是universities,故答案是universities.
点评 1.一般名词复数是在名词后面加上"s",如map→maps,bag→bags等;
2.以s,sh,ch,x等结尾的词加"es",如bus→buses,watch→watches等;
3.以辅音字母+y结尾的词,变y为i加es,如baby→babies等;以元音字母+y结尾的名词变复数时,直接加s变复数,如monkey→monkeys,holiday→holidays,storey→storeys(楼层);
4.以o 结尾的名词变复数时:加s的名词有:photo→photos,piano→pianos,radio→radios,zoo→zoos 加es的名词有:potato→potatoes tomato→tomatoes
5.以f或fe结尾的名词变复数时:加s的名词有:belief→beliefs roof→roofs safe→safes gulf→gulfs 去掉f,fe 加ves的名词有:half→halves knife→knives
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