－Does Helen live on this street?

－No. This is ________ Leon lives.

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

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－The meeting is about to start, yet the speaker hasn't turned up.

－No one knows ________.

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Sarah, hurry up. I'm afraid you won't have time to ________ before the party.

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When he entered the room, he found Mary ________ at the desk, reading.

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Robber and his songs ________ were famous in the United States are also popular in China.

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I wonder ________ you came to miss your way.

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The flowers ________ sweet in the botanic garden attract the visitors to the beauty of nature.

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How is ________ possible that a man can fall so low?

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She spoke to me ________ she knew me.

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