（ ）- Hello. Can I speak to Sara?
-- _____.
| A．I'm Sara. | B．Speaking. | C．Say. | D．Yes, you can. |
To be a good swimmer, I must have _____ lessons.
| A．swim | B．swimming | C．to swim | D．swims |
My son has piano _____ every week.
| A．class | B．lesson | C．classes | D．lessons |
The Taijiquan _____ is in Garden Hotel.
| A．class | B．lesson | C．classes | D．lessons |
Let me _____ the teacher to help answer the question.
| A．ask | B．to ask | C．asks | D．asked |
This an _____ to the cinema.
| A．invitation | B．invite | C．invites | D．invited |