"Genius" is a complicated concept, ________ many different factors. [ ]A

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"Genius" is a complicated concept, ________ many different factors.     [     ]
A. involved
B. involving
C. to involve
D. being involved

答案

举一反三

I looked up and noticed a snake ________its way up the tree to catch its breakfast.[    ]
A. to wind
B. wind
C. winding
D. wound

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He got up late and hurried to his office, ________ the breakfast untouched.[    ]
A. left
B. to leave
C. leaving
D. having left

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—Come on, please give me some ideas about the project.
—Sorry. With so much work _____ my mind, I almost break down.[     ]
A. filling
B. filled
C. to fill
D. being filled

题型：月考题难度：| 查看答案

_____ how to pronounce the word, he stopped to look it up in a dictionary.[     ]
A. Knowing not
B. Not knowing
C. Not to know
D. Not known

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My pen friend, Susan, wrote to me, _____ the idea that she would come to Changchun next week.[     ]
A. expressed
B. to express
C. expressing
D. express

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