which sentence has a grammatical or spelling error? He shouldn't be operating a forklift right now, his certification expired last month. All students who wish to participate in this year's science fair need to attend one of our two introductory sessions. both sentences are correct.​

He shouldn't be operating a forklift right now, his certification expired last month.

Explanation:

In the given sentence, the error is in the use of the comma to join the two independent clauses. It is a grammatical error. This is known as comma splice. In order to rectify the error any of the given ways can be used:

go to this website .

but i think it is 2

may i know the title of the book?