问题补充：
He wants to see changes in the company and I am sure he will, .
A. on time
B. at a time
C. at one time
D. in time
答案：
A. on time
B. at a time
C. at one time
(答案→)D. in time
解析：考查短语辨析，on time 按时，at a time 每次，at one time 曾经，in time 及时，迟早，句意：他想要看到在公司中的变化并且我确信他迟早会看到的。故选D。
