相关考题
-
单项选择题
All the copper bars are（）different sizes.
A.at
B.in
C.by
D.from -
单项选择题
All the rubber bales were separated（）.
A.by grade
B.by a grade
C.by the grade
D.by the grades -
单项选择题
All the torn bags are treated（）original ones.
A.in
B.as
C.to
D.with
