How the fire in the dancing hall started _________ a mystery.
#100979
A
to remain
B
remains
C
is remaining
D
is remained
推荐题目
---John, why are you so upset? ---I my cell phone all morning but it is nowhere to be found.
#101303
A
am looking for
B
have looked for
C
have been looking for
D
had looked for
Shakespeare’s play Hamlet ________ into at least ten different films over the past years. (2013·北京，23)
#99437
A
had been made
B
was made
C
has been made
D
would be made
—Why didn’t you come to the cinema with us last Saturday? —Oh，sorry．But I the film．
#101875
A
see
B
saw
C
have seen
D
had seen
I had wanted to help you last night but I couldn’t spare any time．for I_____an essay that is due this morning．
#103305
A
wrote
B
had written
C
was writing
D
have written
Now my father_________his bike to work every day instead of driving.
#102398
A
ride
B
rode
C
rides
D
will ride