This is the first time that you ________ Beijing, ________?

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It's quite strange that the man sleeps with his mouth ________ and his eyes ________.

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All the passengers object to transferring to the next flight ________ they ________ a proper explanation.

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－Has the problem be settled?

－Yes. Dr. Sun has made ________ everything that is impossible for us to understood.

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－The comrade has finished the work on the machine.

－He ________ throughout the night!

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I have kept that portrait ________ I can see it every day, as it always ________ me of my university days in London.

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________ this collection of jokes ________?

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－The queen was careful not to look up from the desk.

－But Mary ________ the surprise in her face.

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－________ he will accept our suggestion is certain.

－How can you be so sure?

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The 911 rescue team found the ________ boy extremely ________, the wolves howling in the woods.

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