The old lady came in,____ herself with a walking stick.
#95595
A
raising
B
lifting
C
supporting
D
rising
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I’m sorry I can’t help ____ the flowers, because I’m busy preparing for the singing competition ____ tomorrow.
#91816
A
watering; to be held
B
water; being held
C
to water; held
D
water; to be held
In order to make our city green, _______. 
#98611
A
it is necessary to have planted more trees
B
many more trees need to plant
C
our city needs more trees
D
we must plant more trees