Question

完成句子

Mary as well as her classmates _________(一直在做准备)for an important examination recently．(prepare)

Answer 1

答案：
解析：

答案：has been preparing 　　解析：考查主谓一致及时态。短语as well as不影响主语，故谓语动词的单复数由Mary来决定。由提示语“一直在做准备”可知是完成进行时。