1.We are having a history class.（改为一般疑问句） _____ _____ having a history class?
2.How‘s the weather in Toronto?（改为同义句） ______ the weather _______ in Toronto?3.Helen is （watching TV ）now.（对括号部分提问） ______ _______Helen _______ now?4.Jim is playing basketball （at school）.（对括号部分提问） _______ _______ Jim playing basketball?