题目内容
—Mr Johnson, what are teachers supposed to do for the students?
—As teachers, we feel ________ our duty to teach our children to be good wherever we are.
—As teachers, we feel ________ our duty to teach our children to be good wherever we are.
[ ]
A. this
B. that
C. it
D. there is
B. that
C. it
D. there is
C
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