— Did you know any Chinese, Joyce, before you arrived in Beijing? — In fact, never _______ it.
The film The Founding of a Republic is wonderful because about 80 stars appear in it, some of ________ are world-famous.
—Tom graduated from college at a very young age. —Oh, he ______ have been a very smart boy then.
It was reported that 115 miners _____ in the flooded mine for eight days were pulled out alive at last.
Police were sent out to keep the traffic ________ smoothly during the snowstorm.
Michael ________ football regularly for many years when he was young.