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Mrs. Li devoted most of her time her students.A. teach B. teaching C. to teach D. to teaching 【查看更多】

 

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Mrs Li devoted most of her time _____ her students.

[     ]

A. teach
B. teaching
C. to teach
D. to teaching

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Mrs Li devoted most of her time ________ her students．

[　　]

A．teach

B．teaching

C．to teach

D．to teaching

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