These animals ________ their environment; ________, they have learned how to live successfully in the habitat.

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I watched the train until it ________ in the distance.

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-- I don't think we have met before.

-- Yes, once at a patty, but we ________.

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The Jing-Jiu Railway was formally ________ on the morning of September 1st, the broadcast said.

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-- ________ is the population of China?

-- It's 1.2 billion, ________ than ________ country.

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A．What;larger;any other

B．How much;more;that of any other

C．What;larger;that of any other

D．How many;bigger;that of any

-- Have a cigarette please.

-- No, thanks. I ________ heavily, but I've recently given it up.

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He has to go to see the doctor，___________?

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The pilot lost contact with the military base, ________ the plane crashed in desert.

[　　]

A．by means of which

B．for which

C．because of that

D．as a result of which

There are many kinds of goods ________ in this supermarket.

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A．to choose from

B．to choose

C．to be chosen from

D．to be chosen

--How are the team playing?

--They're playing well，but one of them _________ hurt.

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