The old man was taking a walk, ________ by his grandson. [ ]A. supporting B

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The old man was taking a walk, ________ by his grandson. [     ]
A. supporting
B. supported
C. being supported
D. having supported

答案

举一反三

Fortunately，the illness is fully treatable if _______within ten days. A. being found
B. find
C. finding
D. found

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________ of plastics，  the machines are light in weight.[     ]
A．To make
B．Having made
C．Being made
D．Made

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There is a new problem ________ in the popularity of private cars that road conditions need improving. [     ]
A. involved
B. to involve
C. involving
D. being involved

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The little girl stood there,   not knowing what to do,   ________ by what she had seen. [     ]
A. terrified
B. terrifying
C. being terrified
D. was terrified

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She sat at her desk,   with her eyes ________ on the book,   ________ in its plot. [     ]
A. fixing;  absorbing
B. fixed;  absorbed
C. fixed;  absorbing
D. fixing;  absorbed

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