一。把下列句子变成被动语态。
1.Student must speak English in class
2.they bought a new dictionary
3.Mary will meet the guests at the airport tomorrow
4.people take good care of the babies here
二。句型转换
1.Jack used to be weak.（否定句）
Jack ____ _____ to be weak
2.He is too young to go to school.(同义句）
He is ___ young ___he can't go to school
3.Mary paid 500 dollars for the computer
It___mary 500 dollars to _____ on computer
Mary____500 dollars___the computer
4.Tom will leave for London in two months(对划线部分提问划线部分为in two months）
_____ ______ will Tom leave for London?
5.They go to the concert twice a year （对划线部分提问划线部分为twice a year)
_________ _________ do they go to the concert?
更正楼上答案若干，保证准确率！
一
1. English must be spoken in class (by students).
2. A new dictionary was bought (by them).
3. The guests will be met (by Mary) at the airport tomorrow.
4. The babies here are taken good care of (by people).
注：（ ）内部分可以省略不写。
二
1. used not 或 didn't use
2. so, that
3. cost, buy（后面on多余）
4. How soon
5. How often
如果你满意我的答案，敬请点击“选为满意回答”，谢谢！
一
1. English must be spoken in class (by students).
2. A new dictionary was bought (by them).
3. The guests will be met (by Mary) at the airport tomorrow.
4. The babies here are taken good care of (by people).
注：（ ）内部分可以省略不写。
二
1. used not 或 didn't use
2. so, that
3. cost, buy（后面on多余）
4. How soon
5. How often
如果你满意我的答案，敬请点击“选为满意回答”，谢谢！
温馨提示：答案为网友推荐，仅供参考
第1个回答 2012-10-22
1 English must be spoken in class
2 A new dictionary was bought by them
3 The guests will be met by Mary at the airport tomorrow
4 The babies are taken good care of here
1 used not
2so that
3 cost buy spent on
4 How long
5 How ofen
望采纳
2 A new dictionary was bought by them
3 The guests will be met by Mary at the airport tomorrow
4 The babies are taken good care of here
1 used not
2so that
3 cost buy spent on
4 How long
5 How ofen
望采纳
第2个回答 2012-10-22
1. English must be spoken in class .
2. A new dictionary was bought by them.
3. The guests will be met at the airport tomorrow by mary.
4. The babies are taken good care of by people here.
1. used not
2. so, that
3. cost, buy(题误，多了on)
4. How soon
5. How often
2. A new dictionary was bought by them.
3. The guests will be met at the airport tomorrow by mary.
4. The babies are taken good care of by people here.
1. used not
2. so, that
3. cost, buy(题误，多了on)
4. How soon
5. How often
