问题补充:
If we are not the progress we have made, we will have greater success.
A. interested in
B. strict in
C. popular with
D. content with
答案:
A. interested in
B. strict in
C. popular with
(答案→)D. content with
解析: 考查短语辨析。be interested in 对什么感兴趣,be strict in 对某事严格,be popular with 在什么当中受欢迎,be content with 对什么满足,句意:如果我们对我们取得的进步不满足,我们将会取得更大的进步。所以选D。