Pick up the best variant of the topic of the song.
举一反三
- The guests (leave) ______, they decided to pick up the topic again.
- This song is a kind of _______song.
- Listen to the song. What is the tone of the song?
- 中国大学MOOC: Citizens in Zegreb did the best job in helping to pick up the dropped paper.
- The song is sung all over the country, _____ it the most popular song.