William as well as his friends invited to my birthday party the day before yesterday.A. i

问题补充：

William, as well as his friends，invited to my birthday party the day before yesterday.

A. is

B. was

C. are

D. were

答案：

A. is

(答案→)B. was

C. are

D. were

解析：本题考查主谓一致和时态。当主语后跟由aswellas,with,togetherwith,alongwith等连接的词组时，其谓语动词不受这些词组的影响，与前面主语的单复数一致。再结合the day before yesterday可知用一般过去时。