I think that something has to be done to stop the air from being polluted, ______ ?
| A．doesn't it | B．don’t I | C．don't they | D．haven't they |
相关知识点
推荐试卷
I think that something has to be done to stop the air from being polluted, ______ ?
| A．doesn't it | B．don’t I | C．don't they | D．haven't they |
试题篮
()
粤公网安备 44130202000953号
