After careful thought, he decided to _______.
English is understood all over the world ______ Turkish is spoken by only a few people outside Turkey itself.
—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 .