She seemed ________ what I said. I had ________ it again.

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A．to understand; to be saying

B．didn't understand; said

C．not to have understand; to say

D．to have understand; been said

I don't think ________ possible to master a foreign language without much memory work. (NMET 1990)

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Five ________ three makes eight.

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The professor wanted me to work ________ his assistant.

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We got home to find the house turned upside down, obviously ________.

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You may keep that pencil if you like. I've got plenty of ________.

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There are many kinds of matter in the world, take air for ________ example.

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When we are traveling abroad, it is important to follow the ________ of the country ________ we are visiting.

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The girl ________ to her mother before the train left.

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The thief was brought in, ________ his hands ________ behind his back.

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