按要求改写句子。
1. Is this your house? (做否定回答)
________________________________
2. These are dishes. (改为单数句子)
_________________________________
3. Mum is cooking eggs. (对画线部分提问)
_________________________________
4. Li Ming is in the corner. (对画线部分提问)
__________________________________
5. What time is it? (用现在是“七点钟”回答)
___________________________________