In order to make our city green,______.
#98146
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
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The two elderly sisters, ____ so long, held each other.
#94639
A
being separated
B
having been separated
C
to be separated
D
had been separated
_____ to drive after drinking, some drivers are still trying their luck, which is dangerous. 
#90083
A
Not reminded
B
Reminded not
C
Not having been reminded
D
Having reminded not
All things____________, her paper is of great value.
#97109
A
to consider
B
having considering
C
considering
D
considered