#2
a) I hadn't read the text.
b) she hadn't had breakfast.
c) I had forgotten to call her.
d) had missed the bus.
e) hadn't done any mistakes in the dictation.
f) had received an invitation to the birthday party.
#3
a) had got up early.
b) had slept with an opened window.
c) we had run out of food products.
4) they had trained for five hours.
5) his alarm clock had stopped and he had overslept.
6) they had lost the keys.