The mother was afraid to let the boy ______ the tree.A、to risk climbingB、risk c

游客2023-11-12 56

问题 The mother was afraid to let the boy ______ the tree.

选项 A、to risk climbing
B、risk climbing
C、to risk to climb
D、risk to climb

答案 B

解析根据使役动词let的用法，后跟有不定式时不能有to，而动词risk只能跟动名词，所以正确答案是B。

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