I ate too much ice cream，so I was five kilos heavier last summer．（改写句子，句意不变）
I five kilos last summer because of eating too much ice cream．
She will go climbing with me next week．（改为否定句）
She go climbing with me next week．
Li Lei does the housework every day．（改为否定句）
Li Lei the housework every day．
Dave was making a model plane in the classroom at that time．（对划线部分提问）
Dave making a model plane at that time？
Susan has been a volunteer in the hospital for three years．（就句子画线部分提问）
has Susan been a volunteer in the hospital？
I improved my Chinese a lot with the teacher's help． （就划线部分提问）
you improve your Chinese a lot？
All the students have to pay attention to the pronunciation of each word． （ 变为被动语态 ） Attention to be to the pronunciation of each word．
Ellen has already bought some flowers． （改为否定句）
Ellen bought any flowers ．
Dave's father went to bed after he came back home last night．（改为同义句）
Dave's father go to bed he came back home last night．
Both of us do the dishes every day．（改为否定句）
us does the dishes every day．
She put the keys on the table yesterday．（改为一般疑问句）
she the keys on the table yesterday？
That school art festival was very wonderful. （改为感叹句）
the school art festival was!
Is there a pet dog in your home？（变复数形式）
there pet dogs in your home？
Mr． Smith has been in China for six years．（对划线部分提问）
has Mr．Smith been in China？
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