—You don’t see the professor from Singapore quite often do you? —No we only meet A. eve

问题补充：

—You don’t see the professor from Singapore quite often, do you?

—No, we only meet ．

A. eventually

B. constantly

C. occasionally

D. frequently

答案：

A. eventually

B. constantly

(答案→)C. occasionally

D. frequently

解析：occasionally偶然地；eventually最后，constantly不断地，frequently经常地。