Напишите следующие предложения в вопросительной форме, употребляя данные в скобках вопросительные слова: образец: не arrived at ten o'clock. (what time) what time did he arrive? 1. they sat in the first row. (in which row) 2. the performance lasted two hours. (how long) 3. he went to leningrad to see some friends. (why) 4. she put the mail on my desk. (where) 5. he walked to school with mary. (whom with) 6. they spoke to us in french. (in what language) 7. he arrived home very late. (when)