His name was Tony and he seemed ____ like a human ____ a machine.
Though I was tired out that evening, I _____ from falling asleep by the great pain in my knee.
Simon was _____ why many of his friends didn’t turn up at his birthday party.
Without gravity, we _____ walk on the ground as freely as we do now.
Zhang Heng, one of _____ best-known Chinese astronomers, showed a strong interest in _____ astronomy as a child.
— Could I have another cup of coffee, Daddy? —_____ It will be hard for you to go to sleep tonight if you do.