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You’ll find this map of great ____ in helping you to get around London.

         A. price    B. cost      C. value    D. useful

You’ll find this map of great ____ in helping you to get around London.

       A. price   B. cost    C. value  D. useful

You’ll find this map of great ________ in helping you to get around London.

[　　]

You'll find this map of great __________ in helping you to get around London.

[　　]