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

admin2018-09-11  41

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。
转载请注明原文地址:https://jikaoti.com/ti/cHDYFFFM
0

随机试题
最新回复(0)