摘要： scores of times, but Derek still couldn’t understand how to use past participle in a concrete situation. A. Having explained B. Having been explained C. Though it was explained D. It was explained
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________ scores of times, but Derek still couldn't understand how to use past participle in a concrete situation．
- A.Having explained
- B.Having been explained
- C.Though it was explained
- D.It was explained
________scores of times, but Derek still couldn’t understand how to use past participle in a concrete situation.
|
A．Having explained |
B．Having been explained |
|
C．Though it was explained |
D．It was explained |
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______scores of times, but Derek still couldn’t understand how to use past participle in a concrete situation.
- A.Having explained
- B.Having been explained
- C.Though it was explained
- D.It was explained
________scores of times, but Derek still couldn’t understand how to use past participle in a concrete situation.
A. Having explained B. Having been explained
C. Though it was explained D. It was explained
查看习题详情和答案>>________scores of times, but Derek still couldn’t understand how to use past participle in a concrete situation.
| A．Having explained | B．Having been explained |
| C．Though it was explained | D．It was explained |