—WillyougotoMary'sbirthdayparty?—No，     invited，Ican't...

问题详情：

—Will you go to Mary's birthday party?

—No，      invited，I can't go to it．I'll be too busy then．

A．as if                           B．unless

C．even though                  D．when

【回答】

C

知识点：连词

题型：选择题