把下列句子改为反意疑问句

Mr．Li is a very good teacher, ________?

句型转换

Harvey had a good time at school．(改为一般疑问句)

________ Harvey ________ a good time at school?

句型转换

Speak loudly, or I can't hear you clearly．(同义句转换)

________ you ________ speak loudly, I can't hear you clearly．

句型转换

It takes me thirty minutes to read English every day．(同义句转换)

I ________ thirty minutes ________　________ English every day．

句型转换

He usually goes to work by subway．(同义句转换)

He usually ________　________　________ to work．

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Where are you from？(同义句转换)

Where ________ you ________　________?

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They are very happy to see each other．(改为感叹句)

________　________ they ________ to see each other!

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It took me half an hour to finish the work．(就画线部分提问)

________　________ did it ________ you to finish the work?

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My brother has seen the movie．(改为一般疑问句)

________ your brother ________ the movie?

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He often helps her to learn math．(同义句转换)

He often helps her ________　________ math．