all of them made great contributions (to preparing for) the 2008 Olympic Games为什么不用to prepare

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 03:10:05
all of them made great contributions (to preparing for) the 2008 Olympic Games为什么不用to prepare
x)KQOS(HUMLIUH/JM,QH+)L*-+V(W((J-H,KWH/iP020Pϩ-LVpOM-~cד Ovv<| T"}٥_`gC_=]Oz>k6jD$CɎg9fɎUOvwX߫N{9weMyYҧ]+Ϧonxh.O.z_YgÓK2ph8Z=<;Pl

all of them made great contributions (to preparing for) the 2008 Olympic Games为什么不用to prepare
all of them made great contributions (to preparing for) the 2008 Olympic Games为什么不用to prepare

all of them made great contributions (to preparing for) the 2008 Olympic Games为什么不用to prepare
因为固定短语made (great) contributions to sth.中的to 是一个介词,介词后面如果要接动词时,要用它的-ing形式,所以用preparing,而不用prepare.