Question

-Will you please tell John to come to my office?

-________．

1. A.
   Yes,I do
2. B.
   I’ll be glad
3. C.
   Thank you
4. D.
   I’ll be glad to

Answer 1

D
表示愿意为对方提供帮助可用I’ll be glad to。这里的to代替一个动词不定式to tell John to come to your officer。