I listened to Professor Chen-Ning Franklin Yang’s lecture about his study and physics, but I failed to get its key ______ .
BythetimeIlockedthedoor,IrealizedI________mykeysathome.
—________ English movies is helpful to learn English. —But I find _______ hard to understand when the people speak fast.
—_____Ifinishmyhomeworknow? —No,you_____.Yourworkisovertoday.
Peterlikespopmusic,but______hisfather______hismotherlikesit.
Vera and Mike come from _____ European country. They are in _____ same school now.