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Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.

Apples are usually sold by     weight and eggs are sometimes sold by    dozen

        A．the；the       B．/：a       C．/；the       D．the；a

Apples are usually sold by     weight and eggs are sometimes sold by    dozen

      A．the；the       B．/：a      C．/；the      D．the；a

Apples are usually sold by       weight, and eggs are sometimes sold by    dozen.

A．the; the          B．the; a          C．/; a          D．/; the

Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.

Apples are usually sold by ________ weight, and eggs are sometimes sold by dozen .

[　　]

Apples are usually sold by __________weight, and eggs are sometimes sold by __________dozen.

[　　]

Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.

[　　]

Apples are usually sold by ________ weight, and eggs are sometimes sold by ________ dozen.

[　　]

Apples are usually sold by ________ weight, and eggs are sometimes sold by ________ dozen.

[　　]