—— Why are you lying in bed? —— A __________ walk __________ me completely tired.
— Can you see there is _______ interesting book on the table? — Yes. I like _______ stories in it.
— Why not come and join us in the game? — ______. But I must finish my homework first.
— Why _____ these cards ______ orange? — Because orange can cheer you up.
people were foundafter the Wenchuang earthquake.
a lot of trees in this area, but now we can see a museum instead.