题文
Mr. Black ________ English in a middle school ever since he came to China.
| A．have been teaching |
| B．has been teaching |
| C．had taught |
| D．taught |
推荐试卷
Mr. Black ________ English in a middle school ever since he came to China.
| A．have been teaching |
| B．has been teaching |
| C．had taught |
| D．taught |
试题篮
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