【单选题】They (were, have been) friends since they were little boys.
【单选题】They were a little bit sad when they talked about the people and the things ____ they knew twenty years ago.
【判断题】党的十二届三中全会指出,我国社会主义经济是在公有制基础上的有计划的商品经济。()
【单选题】关于出院护理的“健康指导”,下列哪项概念的陈述不妥
【简答题】评定粉煤灰最重要的两个指标是细度 和 。
【单选题】______ readers said they were going to learn a new language. [ ]
【单选题】The children heard _____ on the island. They were a little scared.
【单选题】They were little children that they couldn't finish much work.
【单选题】They friends since they were little boys.
【单选题】_____ readers said they were going to learn a new language. [ ]