问题
选择题
| Why are you here? You are supposed ______ in the classroom now. |
A. to study B. to be studied C. studying D. to be studying |
答案
答案：D
搜题请搜索小程序“爱下问搜题”
| Why are you here? You are supposed ______ in the classroom now. |
A. to study B. to be studied C. studying D. to be studying |
答案：D