Tom ________ in the library every night over the last three months.(2011·北京)
| A．works | B．worked |
| C．has been working | D．had been working |
推荐试卷
Tom ________ in the library every night over the last three months.(2011·北京)
| A．works | B．worked |
| C．has been working | D．had been working |
试题篮
()
粤公网安备 44130202000953号
