He feels it his duty ____ others.
#98689
A
to help
B
to be coming
C
help
D
helped
推荐题目
 The criminal was condemned ______ in prison, spending all his life.
#96594
A
to staying
B
to stay
C
staying
D
and stayed
I don't know whether to stay in teaching or _____ another job.
#98870
A
trying getting
B
to try to get
C
trying to get
D
try get
 He left the place, ____ never to return.
#89379
A
determined
B
to determine
C
being determined
D
having determined