_______they visited the Science Museum, they showed great interest in everything they saw. A For the first time B. At first C. At the first time D. The first time
(届安徽省马鞍山市高三第一次教学质量检测英语试卷)
Trust is needed in the whole society, which requires parents to obey their own rules and set a good example _______ children can trust them.
(届江西省师大附中鹰潭一中宜春中学等重点中学高三联考英语试卷)
—What should we pay more attention to if we go camping in the mountains?
—Nothing special. Take a special pair of glasses _______ the wind there is strong and cold.