Contoh dialog untuk 3 orang tentang expression certainty Pliss, yang bisa tolong di jawab.

Diana : Hei guys, are you going to the party on my home tonight?
Valerie : Of course, this is your birthday party. definitely i'll come. Alex you'll come too right??
Alex : oh yeah surely i'll come to the party happily. i'll be there before anyone...
Diana : thank you guys, see ya on the party...
Valerie & Alex : Ok,..See ya