The film is ________.

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This exercise requires ________ carefully. We should do as we are required ________.

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

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The ________ boy was last seen ________ near the East Lake.

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After ________, the plan was presented to the boss.

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Don't you think your composition wants ________?

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－You were brave enough to raise objections of the meeting.

－Well, now I regret ________ that.

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In some parts of London, missing a bus means ________ for another hour.

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They ________ the train until it disappeared in the distance.

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How could they get the plan _____ without any one to support him?

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A．to carry out　　　B．carry out

C．carrying out　　　D．carried out