I．词汇
根据句意及首字母提示或首字母补全下列单词，使句子完整正确。
1. Look !There is a beautiful r_______ in the sky. There are seven colours in it..
2. Usually orange represents joy, you can ________(在…上刷油漆) your bedroom with this colour.
3. Which TV set should I choose? It’s hard for me to make a ________(decide) .
4. The naughty boy didn’t r_______(know) what mistakes he made until I told him.
