Helping cleaning up the city parks takes me two hours ...为什么用take?take不是只能用在it后吗?为什么不用costs?

cleaning up 和cleaning 有什么区别 1.Helping animals _____ helping people.A.is B.are C.am D.can2.The students helped _____ the park yesterday.A.clean up B,cleaning up C.cleans D.cleaned要说明原因 Helping cleaning up the city parks takes me two hours ...为什么用take?take不是只能用在it后吗?为什么不用costs? thank you for helping with cleaning什么意思 cleaning up 4384 unused security descriptors cleaning Cleaning cleaning cleaning 是my room need cleaning up,还是my room need cleaning 选择题 The children offered___ up the beach on SundayA cleanB to cleaning C to cleanD cleaning There is a job cleaning up the park.cleaning在语法上怎么讲? some students are cleaning up the g___on the beach who is helping the teacher()the blackboard.A.cleaning B.clean C.cleans D.is cleaning介四偶滴作业,急………… They could help( )the city parks.A.to clean up B.cleaned up C.cleaning up 五年级英文填空,根据首字母填空.Liu Tao is helping Miss Li cleaning the desks and b______. BOYS AND GIRLS .IT IS TIME FOR YOU TO GIVE A CLEANING UP B WASHING UP easy root tool卡在cleaning up怎么办?easy root tool刷toot权限.卡在cleaning up了怎么办.我的手机索尼T2 xl50h