选词填空。
(old, many, tall, much, long)
1. —How_________ is your pencil? —It's 15 cm long.
2. —How_________ milk do you want? —A bottle, please.
3. —How_________ are you? —I'm eleven years old.
4. —How_________ oranges are there? —There are four.
5. —How_________ are you? —I'm 162 cm tall.