yesterday,my farther wos vevy glad to ( )his old friend (meet)

yesterday,my farther wos vevy glad to ( )his old friend (meet)
yesterday,my farther wos vevy glad to ( )his old friend (meet)

yesterday,my farther wos vevy glad to ( )his old friend (meet)
yesterday,my farther was very glad to ( meet)his old friend 
 句型be glad to do something;用动词原形
昨天,我的父亲很高兴/庆幸碰到了他的老朋友!