20. I washed my hands and ________ supper while Mother was ________ supper in the kitchen.

A) prepared for; preparing                  B) prepared; preparing for

C) was prepared for; preparing               D) was prepared; preparing for

E) prepared for; being prepared               F) prepared; being prepared for

G) was prepared for; being prepared           H) was prepared; being prepared for

. Though having a big market share, most electronic devices of this kind/type/sort ________ found poor in quality.

  A) is            B) being           C) are            D) having been

  E) has           F) have            G) /              H) is being

Ten years passed，and my hometown is not what it________.

A．used to                                            B．used to being

C．uses to                                            D．used to be

____clearly ____ nothing to do, the soldiers left the village the next day.

A．It; was            B．It; being           C．There; was         D．There; being

--- Have you considered _____ your job as a teacher?

　--- Yes. I like the job because a teacher is often considered _____ a gardener.