Alan is in Class Two,Grade Seven.He is l2.His English teacher is Mr. Smith.He is English.His daughter is Helen.She is l3.Alan and Helen are good friends.They like English.This is Helen's school ID card.Its number is A-270789.Is that Alan's school ID card? No.He can't find his school ID card.If you find it,please call Alan at 346--2828.Thank you! Mr. Smith is   _  .
Alan's father an English teacher Helen's friend a Chinese teacher