Sweep the floor everyday is our duty.
问题描述：
Sweep the floor everyday is our duty.
Sweep the floor everyday is our duty.
这句话好像有了"sweep"和"is"两个动词
如果把"everyday"去掉了,
变成 Sweeping floor is our duty.
3Q~
答
不对.要么Sweeping the floor every day is our duty./要么It's our duty to sweep the floor every day .另外,注意:every day 要分开写,是两个单词,写成一个词是形容词,作定语如everyday English ,everyday work....