105. There is a new problem involved in the popularity of private cars _______ road conditions need to be improved.
| A．that | B．which | C．where | D．When |
相关知识点
推荐试卷
105. There is a new problem involved in the popularity of private cars _______ road conditions need to be improved.
| A．that | B．which | C．where | D．When |
试题篮
()
粤公网安备 44130202000953号
