摘要：23．C．for和of都可接名词或代词做不定式的逻辑主语.用for或of取决于表语形容词.形容词若描述的是全句.则用for,若描述的是逻辑主语的特征.状态.则应用of.
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It is very kind _____ you to help me with my work because it is very difficult _____me to do it by myself.
A．of； for B．of； of C．for；of D．for； for
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——It’s generous ________ Millie to donate all her pocket money to UNICEF．
——Yes．It is really meaningful _________ us to do something for charities．
A．of；of B．for；for C．for；of D．of；for
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It's very nice ________you to get me two tickets_________ the World Cup.
A. for; of B. of; on C. to; for D. of; to
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