The style of Western art has changed many times ______ Chinese art has changed less often.
The government tried ____ they could ____ the people in Yushu
Former IOC (the International Olympic Committee) president Samaranch’s death is believed ____ by heart attack.
It is suggested that he _______ a doctor at once.
_____ I failed in the examination again drove my mother mad.
26. –Look! How terrible his situation is! Could you help him? --I’d like to help, but ____ I can’t.