Past Simple Story
Dipper and Mabel .... (spend) the summer with their great-uncle Stan in the town of Gravity Falls.
spent
They ... (have) many adventures and ... (discover) the secrets of the town.
had/ discovered
They ...(go) fishing with their uncle, ...(explore) the forests and lakes, ... (have) picnics.
went / explored / had
One day, they ... (find) a mysterious journal that ... (belong) to their great-uncle.
found/ belonged
They ... (use) it to uncover the secrets of Gravity Falls.
used
made
They also ... (make) friends with the locals.
They ... (hang) out at the pool, ... (go) to the arcade, and ... (have) barbecues together.
hung/ went/ had
At the end of the summer, Dipper and Mabel ...(say) goodbye to new friends and ... (return) home.
said /returned
They ... (have) many memories and ... (promise) to visit Gravity Falls again soon.
had/ promised