问题补充:
It remains to be seen the newly formed committee’s policy can be put into practice.
A. that
B. which
C. what
D. whether
答案:
A. that
B. which
C. what
(答案→)D. whether
解析:考查主语从句的引导词。句意:新成立的委员会的政策能否被贯彻实施还拭目以待。从结构判断主语从句不缺少成分,所以B,C两项排除,如果使用A选项 that句意不通顺,所以使用连词whether 。正确选项为D。