The Greens walked ________ the door just now.
--- How can I get much about the 2016 Rio Olympics Games?--- Why not search the Internet?
Look! The workers some subways now. The traffic in Hefei will be better soon.
I don’t understand ______ such a silly question in class yesterday.
Mum says ______ I do my homework now, I can watch TV for an hour tonight.
I have a lovely room. It’s the ______ in the hotel.