We________in the neighborhood.[ ]

It is very strange that as many businessmen_________were present should have agreed to the stupid plan.

It’s dangerous to walk across the street carelessly.–You’re right. We can’t be ________ careful while crossing the street.

In some countries, people ______ download（下载）music from the Internet without paying, because it’s against the law.

What’s your plan for the coming summer holiday—I’ll devote as much time as I can ________ some voluntary work.