Remember, my dear son. ________ careful you are, ________ mistakes you will make.

It was in the dining hall _______ was locatedbehind the teaching building _______ I met her for the first time

Britain’s Prince William and Kate Middleton will marry next year in Westminster Abbey, _______ Princess Diana’s funeral was held[ ]

下列字母中一笔写成的是 ____。

___ impressed me most about the woman was that she looked after the old man for twenty years without any complaint