I’d like a pen which _________ well.—Will this one _________?

Making great efforts to struggle hard in your study，if ______，will possiblylead to your great success in the college entrance exam next year.

The workers will go on strike if the demands they __________ are turned down.

There was a time ________ this kind of skirt was very popular.

ve up the chance of going abroad, but he feels he _________ a right decision.