【单选题】
The export sewing machines () in stout water-proof material,and () in pairs in light-weight crates.
The export sewing machines () in stout water-proof material,and () in pairs in light-weight crates.
A、 are wrapped;being packed
B、 are wrapping;packing
C、 are wrapped;packed
D、 being wrapped;are packed
题目答案
答案解析
略