Itshowsthatknowledgeoffirstaid

It shows that____ knowledge of first aid can make a real difference.

A．a

B．the

C．one

D．/

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A．blank

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C．vacant

D．mess

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A．what

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A．nor did most of her friends	B．did as most of her friends
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The vocabulary and grammatical differences between British and American English are so slight and few as hardly ________.

A．to notice

B．being noticed

C．noticed

D．to be noticed

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We would like to thank the founder of our library, without ________ help none of this would have been possible.

A．which

B．whom

C．whose

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