The word “them” in the fourth paragraph refers to (指代) ______.

(单选题)______ of their bad habits, the children changed from being (单选题)______, it is best not to let children sleep in the parents’ (单选题)The tech industry expo, which attracted more than 180,000 pe (单选题)—Johnson is said to be the first young teacher ______ profes (单选题)The news of the earthquake ______ when a large quantity of r (单选题)—The dress on the fashion show is really beautiful!—You bet. (单选题)Ann said whenever her father was unhappy he ______ go out an (单选题)The accident which left 15 people on board dead ______ if bo (单选题)I know he feels upset about his failure, and I can ______ th (单选题)As we have entered a new year, the main problem our organiza