---Try to remember to turn off the light when you leave the room. ---I’m trying to expenses.
27. He often thinks of ______ he can do more for his country, so he is highly spoken of by the people throughout the country.
26. Word has come ______ the Chinese football team has failed again, _______ makes many football fans frustrated.
25. ______practice makes perfect is true.
24. The reason ______ he is absent from class is _______ he has caught a bad cold.
23. I asked him ______ that he managed to get the information.