1. Are the telephone and the telegraph means of communication? (общий вопрос ) 2. What are the means of communication? ( вопрос к подлежащему ) 3. The telephone and the telegraph are means of communication, aren't they? ( альтернатиный вопрос) 4. What kind of means are the telephone and the telehraph? (специальный вопрос )
2. What are the means of communication? ( вопрос к подлежащему )
3. The telephone and the telegraph are means of communication, aren't they? ( альтернатиный вопрос)
4. What kind of means are the telephone and the telehraph? (специальный вопрос )