Question

 The teacher as well as a number of students ______ to attend the party yesterday.

   A. were asked    B. was asked

   C. were asking    D. was asking

Answer 1

B.從句意可知，該句應該用被動語態，排除C、D項； A as well as B; A together B; A besides B; A rather than B; A including B等結構后所跟的謂語動詞在人稱和數上應與A保持一致。故選B。