问题补充：
The foreign teacher suggested more to improve our reading skills．
A. us to do
B. we would do
C. we practice
D. we practiced
答案：
A. us to do
B. we would do
(答案→)C. we practice
D. we practiced
解析：考察suggest的用法，suggest的用法为suggest doing sth /sugges sb (should) do sth
意为建议某人干某事，根据suggest的用法可知，C项正确
