— Amy, I called you yesterday evening, but nobody answered the phone.— Oh, I _________ a walk with my mother at that time.
---How does he usually spend his weekends? ---He spends as much time as he can _______ computer games .
Nobody could tell me the way because ________ people were there in the night.
We should learn from LeiFeng and think less of ________ than others.
Is there_______ about animals on the Internet?
John is ______ honest boy. He has______ useful book.