Toronto is a big city in ________.

We’ll have to work extra hours, for there are still some problems ____________ ．

下列各组词语中加点的字注音正确的一项是（ ）

“I in a cold sweat when I realized it was an earthquake.” Said the lucky man who happened to be out of the house to work that morning in Yushu.

Do you know when Jim _________ —I don’t know. As soon as he , I will call you.