—He made few mistakes in his speech, ______________?   —____________, his perform is wonderful.

There’re few oranges in the box，_____ ？ 

-- Peter didn’t use to be heavy, did he?-- ________. But look, how thin he is!

—Jim’s passed the English exam, ______he?—I am not sure. Either you or he _____ passed it!

--- Mr. Wang’s never been to Canada, has he?---           . He went there on business last week.