乘地铁通常花费我半小时
( It )often ( takes ) me half an hour ( to ) ( take ) the subway.
解析:it takes sb. sometime to do sth. 某人花多长时间做某事
并不是所有的学生都乘公交车上学
( Not ) ( all ) the students ( go ) ( to ) ( school ) ( on ) the subway.
解析:not all 表示部分否定,并不是...,on the subway = by subway 乘地铁
希望能帮到你,祝更上一层楼O(∩_∩)O
有不明白的请继续追问,可以详谈嘛(*^__^*)
1 It takes to take
2 Not all go to school on
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