问题补充：
They suggested the sports meet till next Tuesday.
A. us to put off
B. our putting off
C. us of putting off
D. our put off
答案：
A. us to put off
(答案→)B. our putting off
C. us of putting off
D. our put off
解析：考查短语：建议做某事suggest doing sth，中间可以加形容词性物主代词，句意：他们建议我们把运动会推迟到下周。所以选B。
