句型转换。 1. Is this a lab for chemistry? (转换成陈述句) ______ ______ a lab for chemistry. 2. That’s Edison. (对划线部分提问) _____ the man? 3. What is it? (对划线部分作回答) _____ _______ a lab. 4. Chemistry must be very interesting. (对划线部分提问) _____ is Chemistry? 5. Will we learn chemistry soon? (转换成陈述句) ______ _______ learn chemistry soon.