单选题：Please do not hesitate to call me if Ican be of further assi

题目内容：

Please do not hesitate to call me if Ican be of further assistance. A．contact
B．see
C．help
D．touch

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答案解析：

Belt can only connect with English-speakers.

Belt can only connect with English-speakers.A．Right B．Wrong C．Not mentioned

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The index is the government's chief gauge of future economic activityA．measure

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The dentist has decided to extract her bad tooth.A．take out B．take in C．take off

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请在第__(58)__处填上正确答案。A．contributing B．helping C．resulting D．causing

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请在第__(52)__处填上正确答案。A．increase B．progress C．growth D．improvement

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