Answer:
a) The Holocaust was an act of **imaginary** cruelty.
b) The play made a **powerful impression** on the reviewer.
c) The people who looked after the families in hiding showed a lot of **generosity** and **bravery**.
d) Although the play is about a tragic situation, it is also **humorous** and shows that Anne was not always **happy**.
e) When sharing such a small space, the family had to be very thoughtful and **considerate** towards each other.