_______(improve)my listening ability,I listen to English programs on the radio every day.

_______(improve)my listening ability,I listen to English programs on the radio every day.
_______(improve)my listening ability,I listen to English programs on the radio every day.

_______(improve)my listening ability,I listen to English programs on the radio every day.
To improve
不定式短语作目的状语,你可以把前面这一句放到every day的后面来理解.
我每天都听收音机中的英语语法,为的是提高我的听力能力.

To improve 为了提高