Mr Green asked Lily ______ she had written to her father _____.

Some seemingly harmless blogs might become harmful when ________ on the Internet by millions of people.

My sister hasn’t received any reply from the company yet, so she wants to give up. — My advice is that she _____ till next week.

I am going to America.—how longyouthere?

Sorry, I don’t know the answer _______ thequestion_______ it is too hard.