__ -11garettes, please.uny K1ndw11100·<-|||-__-|||-二、用适当介词填空.-|||-1.Can you see the words written __ the blackboard?(in,on,by,with)-|||-2.She is taking the children out __ awalk.(in,on,for,by)-|||-3.You can choose the best one __ them.(in,on,among,by)-|||-4.Jack broke the chocolate __ several pieces. (in,on,with,into)-|||-5.There are two bridges __ the river.(in,on,with,into)

步骤 1：理解题目要求
题目要求在空白处填入适当的介词，以使句子通顺并符合语法和语义。
步骤 2：分析每个句子并选择合适的介词
1. Can you see the words written __ the blackboard?
- 介词 "on" 表示在黑板上，符合语境。
2. She is taking the children out __ a walk.
- 介词 "for" 表示目的，即带孩子们出去散步。
3. You can choose the best one __ them.
- 介词 "among" 表示在他们之中选择，符合语境。
4. Jack broke the chocolate __ several pieces.
- 介词 "into" 表示把巧克力分成几块，符合语境。
5. There are two bridges __ the river.
- 介词 "on" 表示桥在河上，符合语境。