---Where is the scientist ________ gave us the talk yesterday?---He has gone back to Qinghua University.
There is something wrong ________ my throat.
I don’t feel _________ today , I feel as if I ‘m going to be sick.
Today is Sunday, so you _____________ go to school.
I don’t like doing the washing because it’s _____________.
Sam! Look at your bedroom. Why don’t you _____________?