. Nobody believed his reason for being absent from the class ______ he had to meet his uncle at the airport.
—Did you hear the quarrel just now? —________ I did.
You can’t imagine ________ when they heard the news.
She remains optimistic (乐观的) in spite of so much hardship she has _______ .
I was just _______to go out when the telephone rang .
Doing morning exercises _______ our health and we _______ it.