Is it true ________ the sun is shining, it rains here in summer.

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________ the final exam will be given is still unknown.

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________ will win the game has nothing to do with me.

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________ Yang Liwei was trained for the travel is what I want to know.

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________ you can pass the exam or not depends on yourself.

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Professor Lee's book will show you ________ can be used in other fields.

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In some countries, ________ are called“public schools”, are not owned by the state.

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________ come into leaves or bloom is obviously a sign of spring.

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________ was regarded as impossible has now become a reality.

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I could appreciate it ________ you call back this afternoon for the doctor's appointment.

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