What is ________ at all is _____ well.

This machine is very easy ______ Anyone can learn to use it in a few minutes

When you rewrite the paragraph, I advise you to _____ the last sentence as it is rather boring.

All the donated money should be made full use _______the homeless people in Ya’an city of Sichuan province.

The most popular food for foreigners __________ on any menu in Beijing is roast duck. [ ]