—I’d like to invite you to my new house next weekend.—Thank you but I’ll have time I’m n

问题补充：

—I’d like to invite you to my new house next weekend.

—Thank you, but I’ll have time I’m not sure at the moment.

A. when

B. as

C. in case

D. unless

答案：

(答案→)A. when

B. as

C. in case

D. unless

解析：句意是：下周我想邀请你去我新家。--谢谢，但我还不确定什么时候有时间。选A。