Measures have been taken to prevent the accidents, but much _____ for more improvement.
#101771
A
remains to be done
B
is remained to do
C
remains to do
D
is remaining to be done
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He was very busy yesterday, otherwise he ____ to the meeting.
#102341
A
would come
B
came
C
would have come
D
had come
    Bruce _________his leg when he _____ in a football match yesterday afternoon.
#103664
A
broke; played
B
has broken; was playing
C
broke; was playing
D
was breaking; played