-- Are you writing a letter? -- _____ . A.Yes, I do. B.No, I’m not. C.No, I don’t.
To be a good swimmer, I must have _____ lessons.
My son has piano _____ every week.
The Taijiquan _____ is in Garden Hotel.
Let me _____ the teacher to help answer the questionn.
This is an _____ to the cinema.