The meeting had been on for half an hour _______ Miss Yang turned up.

Because all the other classmates had known each other quite well, he found himself, the new comer of the class, ______ whenever there were some class activities.

下列各句中，语言表达得体的一句是

We would have avoided that terrible accident, Jack, the driver, too much that night

________her home, Mary helps her mother with some housework