Before painting, we must clean and wash the painted parts with the cleaning solution. （）A、在刷油漆之前，应该用干净的棉纱把要上油漆的部分擦干净。B、从刷油漆时，我们用水冲洗一遍，再用清洁溶剂。C、在刷油漆之前，我们必须用清洁溶剂清洗要上油漆的部分。D、在刷油漆之后，我们必须用干净的棉纱把要上油漆的部分擦干净。
Before painting, we must clean and wash the painted parts with the cleaning solution. （）
- A、在刷油漆之前，应该用干净的棉纱把要上油漆的部分擦干净。
- B、从刷油漆时，我们用水冲洗一遍，再用清洁溶剂。
- C、在刷油漆之前，我们必须用清洁溶剂清洗要上油漆的部分。
- D、在刷油漆之后，我们必须用干净的棉纱把要上油漆的部分擦干净。
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单选题Before painting, we must clean and wash the painted parts with the cleaning solution. （）A在刷油漆之前，应该用干净的棉纱把要上油漆的部分擦干净。B从刷油漆时，我们用水冲洗一遍，再用清洁溶剂。C在刷油漆之前，我们必须用清洁溶剂清洗要上油漆的部分。D在刷油漆之后，我们必须用干净的棉纱把要上油漆的部分擦干净。
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