Just as Tu Youyou once commented, “In order to make some achievements and ______ yourself in your field, there are certain things you must do.”
--- We are too busy to take _______ holiday at present. --- But I think we’ll be able to take _______ two weeks away.
The terrible fire broke out suddenly. The family, luckily, was able to _____ it in time.
Chinese exports have been hit hard by falling world demand, with millions of workers _______ to their villages after the factories that employed them closed down.
The US is about the same size as China, but its population is five times ____.
The number 5.12 is a special number, ______I think, that will be remembered by the Chinese forever.