“Well done, John! Not a single mistake ________ in your exam paper this time!” said the teacher．

4．----You are confident about the job interview, aren’t you? ----       , I’m well prepared and feel I’ve got everything they need.

_________ some 3 500 kilometers from Polynesia to New Zealand.

Whitney Houston’s sudden death suggests that drug abuse is such a serious problem ______ we should deal with properly.

Most of us still wonder ___________ it is ________ makes those honest peasant workers, without being paid at all, resign themselves to the bosses.