Ice and snow ______ houses near the North pole.A、used to buildB、are used to b

游客2025-07-11 20

问题 Ice and snow ______ houses near the North pole.

选项 A、used to build
B、are used to building
C、are used to build

答案 C

解析 be used to do用来干某事，be used to doing习惯干某事，used to do过去常常干某事。

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