问题
选择题
Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.
A．the; the
B．/;a
C．/; the
D．the; a
答案
答案：D
by weight意为“论重量，以斤两计”。by the dozen意为“论打计”。
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Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.
A．the; the
B．/;a
C．/; the
D．the; a
答案：D
by weight意为“论重量，以斤两计”。by the dozen意为“论打计”。