A-A+
The mother was afraid to let the boy ______ th
问题详情
The mother was afraid to let the boy ______ the tree.
A．to risk climbing
B．risk climbing
C．to risk to climb
D．risk to climb
参考答案
正确答案：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。
考点：
