句型转换。
1. It was very cold there. (转换成疑问句)
____________ very cold there?
2. I went to Shanghai. (对划线部分提问)
__________ go ________ in winter?
3. Is it a very long river? (作肯定回答)
_______, it is.
4. I went to Harbin. (对划线部分提问)
__________ you _____?
5. Was it hot? (转换成陈述句)
It _____________.