Read the following conversation and choose the most appropriate set fo…
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Read the following conversation and choose the most appropriate set for the blank ⓐ, ⓑ and ⓒ.
ⓐ all right - ⓑ available- ⓒ regard
ⓐ certain - ⓑ unoccupied - ⓒ about
ⓐ available - ⓑ occupied - ⓒ regard
ⓐ in stock - ⓑ free - ⓒ about
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