The time he has devoted in the past years ________ the disabled is now considered _______of   great value.
#92923
A
to help; being
B
to help; to be
C
to helping; to be
D
helping; /
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_________ the exact departure time, he missed his train.
#89438
A
Not be told
B
Having not been told
C
Not having told
D
Not having been told.
We suggested ___ trees at the weekend.
#97802
A
planted
B
plant
C
to plant
D
planting