下列各句中，没有语病的一项是

It is the first time that the local education authority ________ such strict requirements ongoing-to-school time for primary and middle school students. [ ]

If I can’t finish _____________my homework now, I’ll go on with it after supper.

Your essay is fairly good and yet it leavessomething ______.

The computer system___suddenly while he wassearching for information on the Internet.[ ]