How many teachers are there in your school? —I’m not sure about it. Maybe.

I can’t forget the time _______ the earthquake happened in Yushu.

Alice often takes the number 11 bus _____ the hotel.[ ]

We will go to the Wushan Square this afternoon, why not take a bus? —We ________ take a bus , it’s only one kilometer or more.

It looks _______ you are ill. You should go to see the doctor.