用所给动词的适当形式填空。
1. Daniel, ___________(not talk) in class.
2. My brother______ (be) born in 1990 in Qidong.
3. Tom, with his classmates, often _______ (fly) kites in the open air.
4. Listen! How nice the music ______ (sound)!
5. Be quiet, the babies _______ (sleep) next door.