Li Qiang stared at the moving model of the waste machine, __________ by its efficiency [ ]

下列词语中没有错别字的一组是

Here are the first three books of his poem works, with the fourth one to _____ next month.

.They thought ________ a solution.

Tim， how do your parents like pop music— ______my dad _______ my mom likes it. They both prefer classical music.