Have you cooked supper_______ —Yes, I have _______ finished it.

下列各句中，没有语病的一句是

.—This yard is so clean today and everything looks fine.—I didn’t notice that. It’s clear someone ________it.

Her concert was ______ big successslast night.—I think it surely makes ______ differencefor a new talent.

______ is the library near our school– It’s about 15 metres.