题目内容
| A child is likely to slip down on the marble floors, because they are too _________. A. calm B. bright C. clean D. smooth |
D
| smooth 光滑。calm 平静;bright 明亮;clean 干净。 |
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题目内容
| A child is likely to slip down on the marble floors, because they are too _________. A. calm B. bright C. clean D. smooth |
D
| smooth 光滑。calm 平静;bright 明亮;clean 干净。 |