题文
-How about the book you are reading now?
-Excellent indeed. You can find many problems we have come across __________ in it.
| A．covered |
| B．covering |
| C．are referred |
| D．referred |
推荐试卷
-How about the book you are reading now?
-Excellent indeed. You can find many problems we have come across __________ in it.
| A．covered |
| B．covering |
| C．are referred |
| D．referred |
试题篮
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