--- Do you know how to spell umbrella?
---Sorry, I only know it begins with _____ “u” and ends with _____ “a”.
| A．an, a | B．a, a |
| C．a, an | D．an, an |
You should read the article as ____ as I do to know what the writer really wants to tell us.
| A．careful | B．more careful |
| C．more carefully | D．carefully |
——________do you go to the dentist?
——Let me see, twice a year, maybe.
| A．How many | B．How much |
| C．How often | D．How soon |
It’s _________ for us to finish such a difficult program. We have to say sorry to them.
| A．possible | B．impossible |
| C．interesting | D．different |
Chen Wei is a ______. He can sing and write songs very well.
A. scientist B. musician C. pilot
—Tom, what do you want to do this weekend?
—I ______ a picnic with my family in the country.
A. have B. are having C. will have