问题补充:
We are glad to you on the progress you have made.
A. congratulate
B. celebrate
C. greet
D. appreciate
答案:
(答案→)A. congratulate
B. celebrate
C. greet
D. appreciate
解析:A 考察动词词义辨析。Congratulate sb on sth祝贺某人某事;celebrate后面的宾语不是人。Greet问候,appreciate欣赏,感激;