用特殊疑问词填空。 1. — _____ did he go? —By plane. 2. — _____did you live at the time? —At the No.3 Beijing Road. 3. — _____is your telephone number? —It's 3065431. 4. —_____was it yesterday? —It was Tuesday. 5. —_____students are there in the classroom? —About fifty.