Listen to this. 1, Elementary Listening Comprehension Listen to this:1 Elementary listening comprehension Listen to this：1 Elementary listening comprehension 并列题名：Listen to this. 1, Elementary Listening Comprehension 并列题名：Listen to this:1 Elementary listening comprehension Listen to this．1，Elementary listening comprehension，Student's book Listen to this．1，Elementary listening comprehension，Teacher's book Elementary listening comprehension Listen to this．2，Intermediate listening comprehension，Student's book Listen to this．2，Intermediate listening comprehension，Teacher's book