그렇게 될 것 같아.

A: My folks are flying over. It’s their first visit.
B: That’s pretty cool! You’ll be busy entertaining for a while.
A: I expect 그럴 것 같아. I’m not sure what to do, though.
B: Just see some of the sights and keep feeding them.

A: 우리 가족들이 비행기를 타고 놀러 와. 이번에 처음으로 오는 거야.
B: 그거 멋진데! 가족들 즐겁게 해주느라 한동안 바쁘겠네.
A: 내 생각에도 that will be the case. 그런데 뭘 해야 좋을 지 모르겠네.
B: 관광 좀 하고, 계속 맛있는 걸 사주면 되지.

[Additional expressions]
*My folks are flying over.
– My parents are going to fly in. / My mom and dad will be flying over here.
*It’s their first visit.
– This is their first time to come here. / They’ve never been here before.
*That’s pretty cool!
– That’s great! / I’m really happy to hear that! / Wonderful news!
*You’ll be busy entertaining for a while.
– They’ll be keeping you busy while they are here.
*I expect that will be the case.
– I’m sure that’s what is going to happen. / I believe that to be the case.
*I’m not sure what to do, though.
– However, I don’t really have a clear plan for what to do with them.
*Just see some of the sights
– Just go around to some of the tourist attractions / Go see the regular sights
*keep feeding them
– feed them a lot of food / give them a ton of things to eat