问题
判断题
地下空洞的形成，可以是自然力，也可以是人工挖掘的结果。
答案
参考答案：对
搜题请搜索小程序“爱下问搜题”
地下空洞的形成，可以是自然力，也可以是人工挖掘的结果。
参考答案：对
| 下列各句均有一处错误, 请找出并改正。 | |
| 1. On my way to home, I met my old friend yesterday 2. Where's my address? It maybe in your pocket. 3. Go through the bridge and turn right. 4. It's dangerous to climb over the wall you'd better don't do that. 5. Lily is good at singing and dancing. So is she. | _____ _____ _____ _____ _____ |