It is not easy ____ the answer to the difficult math problem

时间:2021-04-20 19:52来源:未知作者:admin 点击: 次

8.It is not easy ____ the answer to the difficult math problem. A. to figure out B. figuring out C. figure out D. being figured out

8.It is not easy ____ the answer to the difficult math problem.

A. to figure out

B. figuring out

C. figure out

D. being figured out

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