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- 题目分类：英语四级
- 题目类型：单选题
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Mary always got up too late, and never__________enough time
Mary always got up too late, and never__________enough time for breakfast.
What should you do if you are making changes to your house?
What should you do if you are making changes to your house?
People listen to it to enjoy then selves.
People listen to it to enjoy then selves.
存放爆炸物的仓库内，应该采用__________照明设备。
存放爆炸物的仓库内，应该采用__________照明设备。
矽肺病是一种由于在生产环境中长期吸人较高浓度的含有__________引起的以肺组织纤维化为主的全身性疾病。
矽肺病是一种由于在生产环境中长期吸人较高浓度的含有__________引起的以肺组织纤维化为主的全身性疾病。