be glad to do=( )be( )

be glad to do=( )be( ) be glad to do sth. be glad to do sth 还是be glad doing sth be glad to do something是什么意思 用be glad to do sth造个句, be honored to and glad to do sth和be honored and glad to do s be glad to see be very glad to be afraid of doing sth be busy doing sth be glad to do buy s I am glad to be be glad "glad to help" AND "glad to be of help"