单项选择题
This year's sales in many companies were lower than （）.
A.lat year's B.which of last year's C.last year D.in last year
单项选择题 A chart showing all staff positions and responsibilities （） prepared by the Vice President.
单项选择题 The trading company （） a big loss raised a claim against the exporter.
单项选择题 The numbers in the key do not correspond （） those in the lessons.
