If we want to have a bright future, we must learn to act in ways ________ do not harm other living things.

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I'm really sorry to have ________ you ________ for me so long a time outside.

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It doesn't ________ much difference whether you go or stay.

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We ________ at cleaning the classroom.

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Deer ________ animals which feed on grass, and the milu deer ________ being protected well in China.

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We got into the car but found it difficult to ________ because of the freezing weather.

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He knows very well ________ to deal with men, but when he meets women, he doesn't know ________ to do.

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The area of desert is growing year by year just because more and more trees are being ________.

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－Could you please introduce me to the writer?

－Sorry, I don't ________ him, either. I just ________ him.

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It seemed that he was ________ losing his life. Luckily, he was in the end.

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A．in the danger of; out of danger

B．in danger of; out of danger

C．in the danger of; out of the danger

D．in danger of; out of the danger