That is ________ speech we have ever listened to.

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________ the music sounds!

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You're standing too near the camera. Can you move _______?

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It's believed that ________ you work, ________ result you'll get.

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A．the harder; the better

B．the more hard; the more better

C．the harder; a better

D．more hard; more better

China has a ________ population than ________ in Africa.

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Mary's sister is ________.

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Driving on these roads ________ be very dangerous, especially when it is rainy or snowy.

[　　]

The classroom ________ 30 feet long.

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The student left the room ________ all the lights on.

[　　]

There's plenty of rain in the southeast, ________ there's little in the northwest.

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