我就担心丧失机会。不抓呀，看到的机会就丢掉了，时间一晃就过去了。（）
A. The only thing I worry about is that we may lose opportunities. If we don seize them, they will slip through ’ t our fingers, time speeds by.
B. The only thing I worry about is that we may lose opportunities. Don ’ t seize them, they will slip through our fingers, because time speeds by.
C. The only thing I worry about is that we may lo se opportunities. If we don ’ t seize them, they will slip through our fingers. Now that time flies fast.
D. The only thing I worry about is that we may lose opportunities. If we don ’ t seize them, they will slip through our fingers as time speeds by.
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箱涵顶进法施工时，在顶进过程中发生液压系统故障时，只要在做好安全措施的前提下才能够在工作情况下进行检查和调整（）
对话框除了有标题栏、控制图标等与程序窗口相同的部分以外，还可能111或多或少具有以下部分：若干命令按钮和五种类型的矩形框文本框，列表框，下拉式列表框，单选框和复选框（）
In Canada the federal governments have always been formed by ________.
A. the Liberal Party
B. the Progressive Conservative Party
C. either the Liberal Party or the Progressive Conservative Party
D. both the Liberal Party and the Progressive Conservation Party
2014 年 6月，23 岁的男子甲与其表妹 22 岁的乙隐瞒姨表兄妹关系， 办理了结婚登记后同居生活。 2014年 10 月，甲父向人民法院提请要求宣告甲乙二人姆姻关系无效。经法院审理，查实双方确系姨表兄妹。根据上述案情，回答下列问题并简述理由：
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