She usually walks to school every day．(改为同义句)

She usually goes to school ________ every day．

The Grand Canyon is 1.6 kilometers deep on average．(对划线部分提问)

________ is the Grand Canyon on average?

The early flight will take off at 4∶20．(对划线部分提问)

________ will die early flight take off?

根据要求改写句子。每空一词。

My mobile phone’s battery can last for a week．(对划线部分提问)

________　________ can your mobile phone’s battery last?

根据要求改写句子。每空一词。

They design this kind of robot to do housework．(改为被动语态)

This kind of robot ________　________ to do housework．

根据要求改写句子。每空一词。

He doesn’t have to go out for lunch because his mother makes a lunchbox for him every day．(改为同义句)

His mother makes a lunchbox for him every day．________　________　________, he doesn’t have to go out for lunch．

根据要求改写句子。每空一词。

I have to buy a robot so that I have more free time．(改为同义句)

I have to buy a robot ________　________　________ have more free time．

改写。

I don’t think she is our new teacher, ________　________？(改为反义疑问句)

改写。

It is too cold for us to go out at night on Mars．(改为同义句)

It is ________　________　________　________ can’t go out at night on Mars．

改写。

I’m too short to be an astronaut．(改为同义句)

I’m ________　________　________　________ be an astronaut．