——Who knocked at the door?
——I’ve no idea. I just pretended nobody was at home, so I didn't ask who _____ was.
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Is it the school _________ you used to study _________ they visited yesterday?
—Ican'trememberthosegrammarrules!
—__________.Practicemore.
_________the Hong Kong singer ’s current popularity, she was largely unknown in the Chinese mainland before the talent show.
The manager together with his two secretaries__________for Hong Kong to attend a meeting there.