Complete the sentences. Use the correct form of the past perfect

Complete the sentences. Use the correct form of the past perfect continuous.
1) I was happy because I (talk) ..... to my best friend allafternoon.
2) They (travel) ..... for an hour when their car broke down.
3) We knew the dog was ill because it (not eat) ..... its food.
4) We (wait) ..... for a long time before Sally finally arrived.
5) (the people expect) ..... the hurricane?
Буду признательна за помощь! Просьба отвечать юзерам, хорошо разбирающимся в англ. языке.