We should keep our classroom _____. A. cleans B. cleaning C. clean
They didn’t provide _____ for Mr Brown, so he had to find a hotel to live in.
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 ______.