— Will you go to the annual meeting to be held in Sweden from the 26-30th of August ?—

问题补充：

— Will you go to the annual meeting to be held in Sweden from the 26-30th of August ?

— That depends on I am invited.

A. whether

B. if

C. whomever

D. why

答案：

(答案→)A. whether

B. if

C. whomever

D. why

解析：主要测试宾语从句。分析句子结构可知介词on需要宾语，另外句子 I am invited中不缺少成分，再结合句子的译文：----你是否去参加八月26--30号在瑞典举行的年度会议？----那要看我是否被邀请。至此可知应该选择whether方为最佳答案。