A. brave B. careless C. proud D. selfish

“You are very selfish. It’s high time you ______？

It can be learned that the author______.A．was an experienced scout leaderB．was too selfish

"You havea 31 boy here.31. A. special B. brave C. busy D. serious

A. encouraged. B. comfortable C. proud. D. moved

Climate change makes the author feel selfish when

He is not selfish;_________ he is very noble and