---- Do you think it's a good idea to make friends with your students? ---- _____ , I do．I think it's a great idea．

When the children were told that they could go camping on Saturday,they could         to tell their best friends.

 With more and more farmers moving to cities, an inadequate labor force is    becoming a major factor affecting the country's grain output.

His music is            popular today as it ever was.

—When did you first meet Tom?—The first day I came to this city，________，on May 2.