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¡¡¡¡16. Tim is___ ___ boy. He is very lovely.
¡¡¡¡A. a 8-year-old B. an 8-year-old C. a 8-years-old D. an 8-years-old
¡¡¡¡17. - ______have you been at this school?
¡¡¡¡- Since I finished primary school.
¡¡¡¡A. How long B. How soon C. When D. How many times