It’s obvious that her refusing to see a doctor has ______ her illness worsening.

The experts suggested the problem worth paying attention _____ at the meeting.

——Why are the tax collectors so busy?
——Many people prefer to have their tax forms completed by a professional rather than ___.

It is nice to see millions who had nothing but a record of misery and hungry ______ to improve their life and living conditions.

You are lucky enough to escape ______ after making such a mistake.

_____ his accent , he is from the south of China.

Please ________ it up and you’ll succeed ________.