—Going to the party to be held in Anne’s house this weekend?—I’ll be free then.A. Forget

问题补充：

—Going to the party to be held in Anne’s house this weekend?

—I’ll be free then.

A. Forget it.

B. You bet!

C. Believe it or not

D. I can’ t help it.

答案：

A. Forget it.

B. You bet!

C. Believe it or not

D. I can’ t help it.

解析：选B。考查情景交际。forget it意为“没关系; 别在意; 别提它了”; you bet意为“当然; 一定”; believe it or not意为“信不信由你”; I can’t help it意为“我没办法”。根据语境, 此题选B。