Ответ:

My mother was..

they were angry

you were bored

he was very tall

the weather was cold

the children were excited

we were late

my parents were proud

my friends were happy

the pizza was delicious

the dog was hungry

the coffee was too hot

you were tired

It was very rainy

the cat was scared

I was sleepy

Объяснение:

was - для единственного числа

were - для множественного числа и для "you"