1. It’s n_________ for us to master a foreign language.
2. The ___________(正常) body temperature of man is around 36.5°C.
3. This kind of tree can only grow in the __________(北方)part of China.
4. N________ else in the world can you see such a beautiful place as Hangzhou.
5. Don’t be frightened by the television camera. Just speak __________(自然地).
