题目内容
— When shall we go planting trees in the hill?
—______ it begins to rain, so they don’t need watering.
A.Not until | B.While | C.Till | D.Unless |
A
解析

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题目内容
— When shall we go planting trees in the hill?
—______ it begins to rain, so they don’t need watering.
A.Not until | B.While | C.Till | D.Unless |
A
解析