—The lights were left on all night long.—Oh. It seems that Tom is ____. Only he stayed in the classroom when I left yesterday evening.
The boy burst into tears ________ he saw his mother.
________, I could not memorize the text.
Raising environmental awareness was the aim of our art exhibition ____ last week.
_________ he was, he still went on with his work.
It was the training ________ he had as a young man ________ made him so excellent.