—I'dliketoinviteyoutomybirthdaypartythisevening．—Thanks...

问题详情：

—I'd like to invite you to my birthday party this evening．

—Thanks．but         I'll have time I'm not sure at the moment．

A．while          B．whether        C．that              D．when

【回答】

B

知识点：连词

题型：选择题