Mary is always ready to do some __ work at the local geracomium(敬老院)in her spare time.
#19269
A
responsible
B
exhausting
C
voluntary
D
professional
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We have worked together in harmony for many years, and I find it ________ with them.
#18513
A
worthy of working
B
useless to work
C
worth of working
D
worthwhile working
I don't think this question is worthy ____.
#20365
A
to consider
B
to be considered
C
considering
D
of considering