ety cannot be successful if it throws tradition away, but it cannot be successful ________if we do something to stop progress.

He has a good___________. He goes to_________ every day.

Please let me know where David is. I couldn’t find him anywhere.—Well, he _____have gone far—his coat’s still here.

You may not understand what they have done, because they ____ a younger generation.

She _______ live in North China. As a result, it is difficult for her to _______ the climate here.