答案：You can tell him not to forget to bring things.

解析：tell sb. not to do sth. 告诉某人不要做某事,forget to do sth 忘记做某事


希望能帮到你,祝更上一层楼O(∩_∩)O
有不明白的请继续追问,可以详谈嘛(*^__^*)