按要求改写下列句子。
1. It’s time to go to school. (换一种说法,意思不变)
It’s time ________________.
2. Math is my favourite subject. (对划线部分提问)
________ is ________ favourite subject?
3. George has four lessons every morning. (对划线部分提问)
How many lessons ________ George ________ every morning?
4. Bob likes Science. (改为一般疑问句)
________ Bob ________ Science?
5. What subjects do you like? (根据实际情况回答)
I like ________.