Recycling is one way to protect the environment,reusing is ________.
He ___ go to work by bus, but now he ___ riding a bicycle to work.
I don’t feel like ___ now.I’d prefer ___ my homework at present.
---What ____ the population of China ? ---China has a population of 1.3 ____.
---I’m tired.Shall we find a chair ___ in the park? ----Good idea!
This newspaper ___ twice a month.