My father prefers taking a subway to driving his own car. Because the petrol is very expensive. 

Don’t drink ____ water. There is no washroom on the bus.

 —__________ do you go to the cinema?—Once a month.

Mr Right had to sell the house even though it was          his own wishes. 

-- Drugs have done great harm to some people and their families.--Quite true, so we should ________ them.