He expressed his gratitude to his head teacher, without _______-help he wouldn’t

题干

He expressed his gratitude to his head teacher, without _______-help he wouldn’t have made such great progress in his studies.

A．whose

B．his

C．whom

D．which

上一题下一题 0.85难度单项选择更新时间:2010-06-24 08:45:41

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