The doctors insisted that the patient was in danger, and that he __________on immediately.
Since Australia is a multicultural and unique society, it is probably hard for Chinese students to _______ it.
While the government says there is a(n) ______ supply of houses, prices of apartments have been going up these years.
But for his help, we wouldn’t have succeeded. So we ______ his timely aid.
The outbreak of this incident has given us much for thought, forcing us to ______ seriously on the past and the future.
Other businesses, such as insurance companies, are more concerned with acquiring a central position so that they are ______ to the urban population.