按要求完成下列各题【英语】

题目

按要求完成下列各题【英语】
We should teach these children how to swim【改被动】
This kind of flower may be found in Tibet【改一般疑问】
We have been in China for two years【改以it开头的同义句】
Students should be allowed to stay up until midnight【改否定】
Students must be give proper homework【对划线部分提问】
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答案

These children should be taught(by us)how to swim.May this kind of flower be found in Tibet?It has been two years since we got China.Students shouldn't be allowed to stay up until midnight.How much ho...