The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.

you like our city —-It has changedbeyond all _____ in the past 20 years, a completely new one in front of me.

It was in New ZealandElizabeth first met Mr. Smith.[ ]

I think Kunming is a good place________. Do you think so

Sally, would you ______ the story— But I told the second part of the storythis morning! It should be Jean’s turn