The light bulb ______ by Edison in the middle of the 1780s.
#44649
A
is invented
B
was invented
C
invented
D
invent
推荐题目
The murderer ________ only days after the young man was found ________.
#44510
A
caught; died
B
was caught; died
C
caught; dead
D
was caught; dead
—Where did you go last night?－I _______to go to Lily’s birthday party.
#44950
A
have been asked
B
have asked
C
asked
D
was asked
Sorry, there is no Yangzhou Fried Rice now. It ______ only for lunch and supper.
#44388
A
serves
B
served
C
is served
D
is serving
The windows after school is over.
#44799
A
usually close
B
usually closed
C
are usually closed
D
are usually closing
He thought that computers would never be _____ most people.
#44685
A
used by
B
used for
C
useful by
D
use by