– Are you free after school?-- Sorry. I’ve planned to treat a friend of mine to dinner ___ for his help.
You don't have to share the umbrellas. I'll give you one_____.
The wedding party is to be held on May 18,_____ is, ten days_____ today.
---Since you can't find a better job, why don't you stick to the present one? ---Well,_____.
He ______. It's a shame my mobile phone was power-off.
We' ve published large quantities of books. This year___ we've published three million.