题文
In the experiments, the scientists found that water __________ at 100℃.
| A.boils | B.boil |
| C.has boiled | D.had boiled |
推荐试卷
In the experiments, the scientists found that water __________ at 100℃.
| A.boils | B.boil |
| C.has boiled | D.had boiled |
试题篮
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