The coal is sold ____ the ton and buyers can’t pay using credit card, so we have to pay ___ cash.
A.by; by | B.by; in | C.in ; by | D.in; in |
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The coal is sold ____ the ton and buyers can’t pay using credit card, so we have to pay ___ cash.
A.by; by | B.by; in | C.in ; by | D.in; in |