Li Na returned to Wuhan after the Games, ______, as is known to us, she had been brought up and trained to be a gold medalist of tennis.
Tom took the police to the spot ________ the accident happened.
National Day ________ people singing and dancing happily in the street.
As there was no one she could________, she felt very helpless.
It was announced that only when the fire was under control ________to return to their homes.
—Do you have any idea what your former boss would say about you? —I don't know,________.