It is not easy ______ the answer to the difficult math problem.A、to figure outB

游客2024-01-15 58

问题 It is not easy ______ the answer to the difficult math problem.

选项 A、to figure out
B、figuring out
C、figure out
D、being figured out

答案 A

解析本题考查的是it作形式主语，真正的主语是to do。这种句型很常见，例如：It’s difficult to find a job these days. 如今找一份工作很难。

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