—I called you at 8:00 yesterday evening,but there was no answer.—Oh,I’m sorry.I________dinner at my friend’s house.
If you are too tired to go any______, ______a rest.
To keep you______, you’d better ______ helmet(头盔) when you skate on real ice.
---Would you like somewhere else______? ---No, thanks. I think this room is large enough for me______.
The children are making____. How ____ they are playing.
If more people know about that, then____ they will do something to help.