Решение #
1) Julie had read a book by 8 p.m..
(Джулия прочитала книгу к 8 часам вечера).
2) Denis had gone/ done shopping by 8 p.m..
(Денис сделал покупки к 8 часам вечера).
3) Tom and Mag had planted and watered the flowers by 8 p.m..
(Том и Маг посадили и полили цветы к 8 часам вечера).
4) Dustin had washed his car by 8 p.m..
(Дастин помыл свою машину к 8 часам вечера).
5) Philip had arrived in London by 8 p.m..
(Филипп прибыл в Лондон к 8 часам вечера).