Question

4.        this letter are some photos which were taken by the hidden camera. (attach)

随信附有隐藏相机偷拍的几张照片。

Answer 1

4. Attached to考査倒装句型中表语位于句首的特殊用法.本句的正常句式应为：Some photos which were taken by the hidden camera are attached to this letter。但为了强调"附有"这一动作，就把作表语的attached to this letter提到了句首。