未知题型
A、正线B、地下线C、地面线D、高架线正确答案:地下线
质量在()以上的称为重型钢轨。
未知题型质量在()以上的称为重型钢轨。
Jenny was looking for a seat. Luckily, her friend John ...
单项选择题Jenny was looking for a seat. Luckily, her friend John ________ and left. A. took up B. shut up C. looked up D. got up
[填空(1)] 与[填空(2)] 并称为“风骚”。
问答题[填空(1)] 与[填空(2)] 并称为“风骚”。