Final answer:
The correct tense to complete the sentences in the conversation is the past tense. Again, the correct tense to complete this sentence is the past tense. The verb 'delay' has the regular past tense form 'delayed'.
Step-by-step explanation:
In the given conversation, Nary is describing her vacation to Nora. She says, 'It (wasn't) as good as expected!' The correct tense to complete this sentence is the past tense.
In the next sentence, Nary explains that they had to wait in the airport for 18 hours because their flight (was delayed) twice. Again, the correct tense to complete this sentence is the past tense. The verb 'delay' has the regular past tense form 'delayed'.