题目内容：

需要答案和理由
are these bags made --------- leather?
A  in B out of
2.there are many different  kinds of small bars on ------------ of this street
A each side B both side
3.how do you operate the vacuum cleaner 这里的operate
A work for Bwork on
填空
1.--------enjoyable  lives we hve with the TV sets (how或what)
2.the seats on the trains are comfortable too(保持句意不变）
the seats on the trains are comfortable ---------------        ----------------
顺便再问一题----------the water in the freezer and you will get ice cubes,
A freezing B freeze

优质解答

1、of 因为：be made of 固定搭配
2、A因为不可能只有一个 bar的
3、B因为work for是受雇于；为…而工作；效劳；致力的意思,不成立
填空：1、 how 因为enjoy是形容词
2、as another 抱歉,这道题可能会错

追问：

第一题的B选项是out of 顺便再问一题----------the water in the freezer and you will get ice cubes, A freezing B freeze

追答：

----------the water in the freezer and you will get ice cubes, A：句首用ing形式 第一题:A be made in 指产于某地，如silk is made in China.丝绸产于中国。