sorry to have kept you waiting
1.對不起，讓妳久等了
2.抱歉使妳久等了
3.對不起，讓您久等了
4.抱歉，讓您久等了
sorry to hae kept you waiting
1.對不起，讓妳久等了
i'm sorry to have kept you waiting
1.對不起讓妳久等了
2.對不起，讓您久等了
a: sorry to have kept you waiting
1.對不起，讓妳久等了
i am sorry to have kept you waiting
1.對不起，讓妳久等了
2.對不起讓妳久等了