–Have you ever to Singapore?–No never.A. areB. wereC. wasD. been

问题补充：

–Have you ever to Singapore?

–No, never.

A. are

B. were

C. was

D. been

答案：

A. are

B. were

C. was

(答案→)D. been

解析：本题考查的现在完成时结构：根据句子助动词have可知本句为现在完成时态，故谓语动词要用be的过去分词。故选D。主语+have或has done+其他，只有D符合题意。