Question

annie and her brother's ___(is/are) at school​

Answer 1

Answer:

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annie and her brother's are (is/are✔) at school

explaination:-

"is" is used when we are only taking about 1 people.

example - He is a boy

here "he" is only 1 person , so we have use "is" at here.

"are" is used when there is more than 1 people

example - We are going hotel

as we know that "we" comes when there is more than 1 people so here we have use "are" at here.