Mr. Smith opened the door. There ________ he had never seen before.

The central finance has handed out 6.3 billion Yuan to help local governments ease capital shortages ____ the snow disaster.

He was ill _____ a week, and _______ theweek he ate almost nothing .

Does Susan like singing— Yes, she does. But she prefers __________ to _________.

We could hardly believe what she says because she is____ ____changing her mind