Not until his mother came back_______.
| A．he began to do his homework | B．had he began to do his homework |
| C．he had begun to do his homework | D．did he begin to do his homework |
推荐试卷
Not until his mother came back_______.
| A．he began to do his homework | B．had he began to do his homework |
| C．he had begun to do his homework | D．did he begin to do his homework |
试题篮
()
粤公网安备 44130202000953号
