Verified answer

Write what you had done yesterday:

a)  by the time your parent(s) came back home

b)  by the time supper was ready

c)  by 6 p.m.

d)  by the time you came back from school

e)  by bedtime

Ответ:

a) I had done my homework by the time my parents came back home.

b) I had checked my mail by the time supper was ready.

c) I had finished reading another book by 6 pm.

d) I had cleaned up the room by the time you came back from school.

e) I'd finished playing computer games by bedtime.

   ( = listening to music by...;  = watching TV by...)

Объяснение:   had + V3........+ by .....- к какому-то времени; до какого-либо времени что-то было уже сделано.