题目内容
---Did you go to school yesterday?
--- Yes, I did. But I was late. When I got to school, Mr. Zhang __________his lessons.
--- Yes, I did. But I was late. When I got to school, Mr. Zhang __________his lessons.
| A．has already begun | B．had already begun |
| C．has begun yet | D．had begun yet |
B
根据句子表达意思，发生的时态为过去的过去，要用过去完成时，故选答案为B
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