问题补充:
She won’t come over for a visit unless.
A. being invited
B. invited
C. inviting
D. was invited
答案:
A. being invited
(答案→)B. invited
C. inviting
D. was invited
解析:考查省略句,英语中主从句的主语一致时,可以省略从句的主语和be动词,unless invited=unless she is invited,句意:除非她被邀请,否则她是不会来拜访的。选B。