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．
People will have robots at home in 20 years．（对划线部分提间）
will people have robots at home？
The waiter took away the plates after we finished eating． （改为被动语态）
The plates away by the waiter after we finished eating．
Jeff asked his students， "Do you know it is important to protect the earth？" （改为间接引语）
Jeff asked his students they it is important to protect the earth．
His father is tall and thin．（对划线部分提问）
his father look like？
What a clean classroom it is! （改为感叹句）
the classroom is！
The little girl put her things on the floor．（改为一般疑问句）
the little girl her things on the floor？
The foreigners visited the Great Wall of China yesterday．（改为一般疑问句）
the foreigners the Great Wall of China yesterday？
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？
He put off the plan till next week. （改为一般疑问句）
he off the plan till next week？
The Blacks got married thirty years ago. （改为同义句）
The Blacks have for thirty years.
We often swim in the river．（用now 改成现在进行时态）
We in the river now．
The local government will cancel the project becauset it may be harmful to the environment．（改写句子，句意不变）
The project will by the local government because it may be harmful to the environment．
They will study abroad after they finish high school． （改为同义句）
They won't study abroad they high school．
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