His knee hit on the desk ______accident. [ ]

What’s ________ name? —________name’s Nick.

　Chinese　tennis　player　Li　Na　won　a　championship　again!-　Yeah,　I　watched　the　game　and　my　spirits　_____　at　the　news.

Did the actor live alone in his house? —Yes. He has a wife and two children. But ____ of them lives with him.

Lisa, do you remember ________ yesterday?—Of course.