单选题：We were all there when the accident occurred.

题目内容：

We were all there when the accident occurred. A．happened
B．broke
C．spread
D．appeared

参考答案：

答案解析：

London quickly became a flourishing port.

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影晌企业工资水平的主要内部因素包括（　　）。 A．企业所属行业 B．企业的规模 C．企业发展阶段 D．企业决策层的工资态度 E．劳动力市场

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What can be learned from the passage about giving birth to baby sea horses?A．It

分类：综合类题型：单选题