In the bubble years, lending standards slipped ______,allowing   many people to put far too much of their income into paying for their housing.

On snowy days, you have to drive very ________ to avoid traffic accident.

 After years of changing residence (住处) and promotion, Madelyn moved to a new city and _____ became vice-president of a local bank.

There was such a long queue for coffee at the intervals that we __________ have to give up.

Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock?