Question

on 4:00 there is math online test change it to intrrogative​

Answer 1

Answer:

4:00 there's a math test

Answer 2

Answer:

By adding a question tag

Explanation:

On 4:00 there is math online test, isn't it?

OR

There is a math online test at 4:00, isn't it?

OR

Isn't there a math online test at 4:00?

(I think it should be 'at' instead of 'on')

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