there is a stack of books还是there are a stack of books

there is a stack of books还是there are a stack of books
there is a stack of books还是there are a stack of books

there is a stack of books还是there are a stack of books
there is a stack of books 是对的,主谓一致问题选单数

there are a stack of books

there is a stack of books

前面一种

are，后面为复数