..His grandfather was among the first tosettle in ____is now a famous holiday center.

He is a key ____________ in the murder so we must protect him from all kinds of danger

．—Excuse me，Miss Smith．Couldyou tell me how to improve my spoken English—OK．Thebest way is to practice ________．

1． In North America, most students go to school______ the school bus.

If it ________ for the heavy rain then, we would have arrived here ahead of time.