"Has been waiting" should be your answer. a simple predicate is the verb or verb phrase in the sentence and it usually tells what the subject does.
Answer:
Explanation:
1.1 Julius was watching the same Tv program all day.
1.2 They were dancing along with the crowds of supporters.
1.3 the dog was running in the garden and damaged the flowers.
1.4 I attended my school, even though it wasn't nice weather.
1.5 She is doing Jason's homework for him.
All seventh grade students, including those in the library, should come to the auditorium.
A artificial Herat can mimic a Real heart
