Mr Smith suggested the problem worth paying attention to ________ at the meeting.
Human life is regarded as part of nature and, as such, the only way for us to survive is to livenature.
the students came from different countries, they got along quite well in the summer camp.
—Where is Peter? I can't find him anywhere. —He went to the library after breakfast and ________ his essay there ever since.
-I wonderMary has kept her figure after all these years. -By working out every day.
________more about Chinese culture, Jack has decided to take Chinese folk music as an elective course.