To be a good swimmer, I must have lessons.
| A．swim | B．swimming | C．to swim | D．swims |
Let me __________ the teacher to help answer the question.
| A．ask | B．to ask | C．asks | D．asked |
This is an __________ to the cinema.
| A．invitation | B．invite | C．invites | D．invited |
一Let’s help our teacher carry the heavy bag.
—__________.
| A．Yes, please |
| B．Yes, let’s do it |
| C．Not at all |
| D．No, thanks |
Jackie Chan is my __________ film star.
| A．like | B．best | C．favourite | D．good |