Mary can play ______ basketball. And Lucy can play _____ piano.
All Chinese middle school students in the countryside won’t have to pay for school.
Miss Wang can remember, she hasn’t met the girl before.
The foreigners enjoyed themselves in Jiuzhaigou and they were all with the trip.
— How many are there in the USA? — There are fifty.
— What do you want to be when you ? — An astronaut.