I wrote back saying that we would be happy to accept their invitation.

我回信告诉他我们很高兴接受他们的邀请。

youdao

Something you say to someone when you cannot accept their invitation but would like to accept it at a later date.

当你没法接受别人的邀请但是愿意改天再约的时候可以使用这句表达。

youdao

If they accept your invitation, their names will be shown on the Tool Panel.

如你的朋友接受邀请，他们的名字将出现于操作台。

youdao

"There's not many other events where they all accept the invitation and are happy to parade one after the other, modeling in their swimsuits and evening gowns hoping to be amongst the finalists, " she said.

CNN: Possible 2016 candidates make CPAC pilgrimage