建设文化强国,必须重视和加强未成年人的思想道德建设。加强未成年人的思想道德建设①只属于学校的责任②事关民族素质的提高③有利于未成年人的健康成长④关系祖国的未来和民族的希望
In order to ______ his large family, he must work hard.
He has never been to America ___________?
Usually people in Japan and Korea _______ when they meet for the first time.
After having a class, there _____ some students _____ games happily.
—Could you tell me ______? —Sure, just five minutes ago.