ПОМОГИТЕ ПОЖАЛУЙСТА! Past Perfect or Simple Past

1-the sun (burn) all the seeds we (sow)
2-(Henry/throw) away all the old stuff (keep) in the attic?
3-my friends (show) me the souvenirs, they (buy) during their holidays
4-at dinner time Anne, (tell) her parents what she (see) at the museum
5-Tom (not/be) very sorry for what he (do) to his mother roses
6-Lucas (drink) all the lemonade I (prepare) for the children
7-Mrs.Smith (iron) all the clothes she (wash) that morning
8-My father (give) us all the flowers he (pick) up in the garden)
9-My parents (not/sign) the test I (leave) on the kitchen table
10-They (decided) to take the car for a ride before they (buy) it

1) burned, had sown2) Did Henry throw, had kept3) showed, had bought4) told, had seen5) was not, had done6) drank, had prepared7) ironed, had washed8) gave, had picked up9) did not sign, had left10) had decided, bought