Question

Either of you has/have/is/are to mop the floor

Answer is has,have,is,are

Answer 1

因为有 either， so 要用 has。

Either of you has to mop the floor. 

Answer 2

because ether of you , you is singular so we need to use has

Answer 3

Either of you have to mop the floor

is 和 are 后面要有 verb+ing

has 是给 he, she, it 的

have 是给 I, you, we, they 的

有错请评论（我不是很确定我的答案）

Comments

答案是 has
https://editorsmanual.com/articles/either-is-or-either-are/

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OK

Answer 4

这是singular and plural的问题了。他是you，虽然只有1个，但他是special的，所以就变成plural。现在来用排除法：

is has：好像没讲可以一起用的

have：可以，因为他是有/需要的意思

is：没有is to的

are：同样没有are to

所以答案是have。句子意思：你要去抹地

Comments

答案是 has
https://editorsmanual.com/articles/either-is-or-either-are/