A-A+
_________his address I can ' t send this book
问题详情
_________his address, I can " t send this book to him.
[ A] Not knowing
[ B ] Knowing
[ C] Not know
[ D] Not known请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
29．A【解析】本题考查分词作状语。本句是动词-ing形式放于句首作原因状语，句意是：因为不知道他的地址，我不能把这本书寄给他。所以需用否定式，在动词-ing之前直接加not。
