They seem _____ what they are doing.
A. knew B. to know C. knowing
The news is very _____, so we are _____ .
A. exciting: excited B. excited; exciting C. exciting; exciting
（题文）Did you do _____ last week?
A. special anything B. anything special C. something special
— Did he help you with your homework?
— No, I did it by _____.
A. I B. me C. myself
The boy decided _____ back the money to the person who lost it.
A. give B. giving C. to give
— Oh, dear, we have _____ food left.
— Don’t worry. I’ll go and buy some.
A. a few B. a little C. little
