--__________do you go to the after-school activity centre?
---Once a week.
| A．How long | B．How often |
| C．How soon | D．How many times |
Lily always wears the same clothes _____ her twin sister.
A. like B. as C. to
You don’t feel well. I think you _____ lie down and have a rest.
A. should B. will C. would
When will the plane _____ ?
A. take off B. run away C. take away
At this time yesterday afternoon, I____ my bike in the street.
A. rode B. is riding C. was riding
How much should I ____ for it?
A. pay B. spend C. cost