--- What’s the use of this kind of fuel(燃料) ?--- It can make the train __________ fast.
The children took a trip ____ the Great Wall last week.
—My favourite subject is music. What about ____? —English.
—Our Chinese diving team won a gold medal again! —What _____ good news!
Five million, five hundred and fifteen thousand, one hundred and fifty-one is ______.
— How was your interview last Monday? — ____.