With his work completed, the businessman stepped back to his seat, feeling pleased_____ he was a man of action.

As China grows stronger and stronger, Chinese _____ in more and more schools out of our country.

19.It is ________ who ____________ wrong.

When I don’t know how to _____ something, Mr Wu is always the first person that I _____advice.

The boy doesn’t know how to _________English words in a dictionary.