问题:
It"s necessary ________ us _______ read English every day.
[ ]
A. of, to
B. for, to
C. for, for
D. to, to
It"s necessary ________ us _______ read English every day.
B. for, to
C. for, for
D. to, to
[ ]
A. of, toB. for, to
C. for, for
D. to, to
参考答案: