根据句意及汉语提示完成句子 He studies hard till late night because I often see his light ___(开着）

分类: 作业答案 • 2022-02-01 18:53:05

问题描述：

根据句意及汉语提示完成句子 He studies hard till late night because I often see his light ___(开着）
I'am terrified of _____ _____(独自）at home.

答

1. on
2.being alone第二个by myself 可不可以？