她不知道该选择哪本书.（翻译成英文）She doesn't know ___ ___ ___ ___.
问题描述：
她不知道该选择哪本书.（翻译成英文）She doesn't know ___ ___ ___ ___.
答
答案是：she doesn't know which book to choose
她不知道该选择哪本书.（翻译成英文）She doesn't know ___ ___ ___ ___.
答案是：she doesn't know which book to choose