Our government ___ the measures put forward by some experts at the meeting and decided to carry them out at once to prevent further air pollution in this area.
—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.