题文
After the fun he has had during the holidays, the boy can’t ___ on his schoolwork.
| A.try |
| B.concentrate |
| C.take |
| D.depend |
推荐试卷
After the fun he has had during the holidays, the boy can’t ___ on his schoolwork.
| A.try |
| B.concentrate |
| C.take |
| D.depend |
试题篮
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