. Although their new factory building is still under construction, we have already placed order for 200 pairs of shoes.
A. the ; an
B. a; an
C. /; /
D. /; an
网友回答
A. the ; an
B. a; an
C. /; /
(答案→)D. /; an
解析：考查固定搭配。Be under construction在建设中；place an order订购，下订单。所以选D。