Simple past or past perfect? Choose the correct alternative ac...

Simple past or past perfect? Choose the correct alternative according toeach sentence.
1. After the family ___ breakfast, they went to the park.
a) had b) had had
2. Jake ___ me his phone number before he left.
a) gave b) had given
3. When I ___ at the movies, the film had already started.
a) arrived b) had arrived
4. Before we ___ home, we had eaten burgers and fries.
a) went b) had gone