You have to choose the correct Past Continuous Tense or Past Simple Tense form of the verbs.
We ___ \(wait\) for Nick at 5 o'clock yesterday afternoon but he ___ \(call\) and ___ \(say\) that he couldn't come.

• were waiting/called/said
• waited/was calling/said
• waited/were calling/were saying
• was waiting/called/said
• were waiting/was calling/was saying