7、whenB.whichC.whose()22.Mostofthestudentsusuallyhavea_____holiday.A.sevenweeksB.sevenweek’sC.seven—week()23.Ihaveneverread bookthatIcan’tputitdown. A.suchanexcellent B.asuchexcellent C.soanexcellent()24.___ of the students in our school is about one h
8、undred and ____of them are boys.A. The number, two thirds B. The number, two third D. A number, three quarters ()25