MrSmithwillnotbeabletoattendhisson'sweddingceremony,bec...

问题详情：

Mr Smith will not be able to attend his son's wedding ceremony, because he ________ an important speech.

A. will be giving  B. has given   C. gives  D. will have given

【回答】

A

知识点：非谓语动词

题型：选择题