—You see, “Food Safety” receives thousands of Internet hits a day. —Yes, it becomes one of the _________ topics(话题) these days.
Which of the underlined part has a different sound划线发音不同?
They like ______ after school.
---- Are these your _______? ---- Yes, they’re my uncle’s sons.
Look! Some beautiful birds 鸟 are ______ the tree.