--- I rang you at about ten, but there was no reply.--- Oh, that was probably ____ I was seeing the doctor.
_______ enough is quite necessary for your health, so you shouldn’t stay up too late every day.
.Most of the citizens didn’t know what had________just now.
Out _____, with a stick in his hand.
— Did you miss your football match yesterday? — No, I didn’t. Hardly had I turned up at the sports field _______ the match began.
— What happened to Tom yesterday? — Well, he was walking in the street when a stone flew up and hit _______.