Hurry up, boys. Only at this rate _____ able to afford a holiday.
25. The book ______forty maps, ______three of Great Britain.
24.He has ______the habit of taking notes while reading.
23. The writing brushes ____bamboo and animal’s hair.
22. In ______,people in that village were very poor.
21.I’m vey busy toady. ______,I have much work to do today .