问题
选择题
(2013·泰州二模)In the market,vegetables are sold by ________ kilogram,I mean,by ________ weight.
A.the;/
B./;/
C.the;the
D./;the
答案
答案:A
介词by表示“以……计”时,若后接单数可数名词,其前要用定冠词。如: by the week,按周;by the ton按吨,by the meter按米;若后接抽象名词时,则通常不用冠词,如by cash用现金;by volume按体积。