Doctors have said that as many as 50 percent of patients don’t take medicine ____ directed.

______ is believed that morning exercise isone of the best ways for a person to keep fit.

People _____ to set off firecrackers in some areas of Shanghai for several months.

Every minute is made full use of ________ ourlessons

Where have you _______ all day— I came back at noon and I _______ in this officesince then.