Why are they ________ stand outside the fast food restaurant?

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The old man is a great scientist, he has ________ knowledge on computers.

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I like to listen to quiet music ________ I' am eating.

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That made me annoyed with myself.

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Excuse me, may I know your name?

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At first we felt a bit nervous.

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For instance, he can lead you into the garden.

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Look out! The taxi is coming too fast.

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The forefingers will ________ half an hour later.

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It's ________ to point at someone with your chopsticks in China.

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