问题补充:
to forget is a good way to solve our problems and we can also deal with them by of something worse.
A. Learn; think
B. Learning; think
C. Learning; thinking
D. Learn; thinking
答案:
A. Learn; think
B. Learning; think
(答案→)C. Learning; thinking
D. Learn; thinking
解析:句意:学会忘记是解决问题的好方法,我们也可以通过思考更坏的情况来处理。前面的一个动词作主语故用动名词,后一动词跟在介词by之后故也用动名词。所以选C。