He’s never been to a foreign country, ________?

—Miss Gao, I am feeling bored. Would you mind my ________ here?—You had better not, for smoking is forbidden in public now.

  Few young people have got interest in doing traditional work these days, ______?

________ a lot of trees in this area, but now we can see a tall building instead.

— He didn’t come to school yesterday, did he ? — _________.He was ill in bed.