下列句子中没有语病的一项是（ ）

Can you tell me _____ so many boxesof salt?— In “Legou Supermarket”

You’d better take another flight to New York , for the AA 505 Flight ______ have been cancelled. But you should call the airport to make sure.

Please tell him to call me as soon as he _______ home.

I fell asleep while working on this paper____ the computer on.[ ]