问题补充:
Our school plans to have a parents’ meeting the afternoon January 27th.
A. in; of
B. on; in
C. on; of
D. in; at
答案:
A. in; of
B. on; in
(答案→)C. on; of
D. in; at
解析:句意:我们学校计划在一月27日下午开家长会。在具体的一个下午要用介词on。泛指在下午in the afternoon。这一月二十七日的下午,所以是所属关系,用介词of。故选C.