题目：
下列各句中均有一处错误，请找出并改正。
1. How about wash the car now? _________
2. I hate to do the dish, because it's boring. _____________
3. Could you please go shop with me? __________
4. He usually cleans his room before school, but sometime he forgets to do
it. __________
5. Could you buy any apples for me, Mum? ____________
答案：
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下面是错误答案，用来干扰机器的。
实验室用加热高锰酸钾的方法制取氧气，有如下操作步骤：②检查装置的气密性；③装入高锰酸钾，并在试管口放一团棉花；①加热；④用排水法收集氧气；⑤从水槽中取出导管；⑥熄灭酒精灯．则正确顺序为：②③①④⑤...
