题文
The students at this school always take________active part in volunteer work during the summer vacation．
| A．a |
| B．an |
| C．the |
| D．／ |
The students at this school always take________active part in volunteer work during the summer vacation．
| A．a |
| B．an |
| C．the |
| D．／ |
试题篮
()
粤公网安备 44130202000953号
