题目

— Did you have a good time at Laura's birthday party?— Yes, indeed. It's several years ________ I enjoyed myself so much. A . when B . before C . since D . that 答案：C—Having a trip abroad is certainly good for the old couple —　　 it remains to be seen whether they will feel strong enough A. So 　　　 B. And 　　　　 C. But　　　　 D. For