Blamed for breaking my promise, I felt my face _______ hot, and hung my head in shame.

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Tom is said _______ a new computer programme recently, but I don’t know when he will finish it.

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The purpose of new technologies is to make life easier, ________ it more difficult.

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She will tell us why she feels so strongly that each of us has a role ________ in making the earth a better place to live.

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The boy wanted to ride his bicycle in the street, but his mother told him ________.

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Not only I but also Jane and Mary are tired ________ having one examination after another.

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Please ________ the lights will go out if no one is in the room.

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________ its obvious economic success, Shanghai is reestablishing itself as one of the distinguished cultural centers.

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--When shall we meet to have a further discussion?

--________.

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A．At any time when it is convenient to you

B．At any convenient time

C．At your convenience

D．A, B and C

Do take it easy while listened _______ a lecture for the first time.

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