She suddenly took on full-time work without her children. [ ]A.

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She suddenly took on full-time work without         her children.     [     ]
A. preparation
B. preparing
C. preferring
D. preceding

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举一反三

I feel quite confident in             Mr Jackson to you for the vacant post of researcL assistant.     [     ]
A. submitting
B. proclaiming
C. recalling
D. recommending

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She           for the professor who was ill.     [     ]
A. substituted
B. changed
C. shifted
D. replaced

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Anyhow Robbie intended to _         the boy as his son,      [     ]
A. confess
B. admit
C. acknowledge
D. recognize

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The building was purchased and            by its new  owner last year.       [     ]
A. occupied
B. lived
C. resided
D. settled

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Two straight lines are            when they continue for their whole length at the same distance from one
another.     [     ]
A. relative
B. flat
C. parallel
D. crossed

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