为什么是look for it 而不是Look it for

为什么是look for it 而不是Look it for 为什么是 look for it 而不能是 look it for? 为什么是it isn't good for you而不是it doesn't good for you 为什么是It has been paid而不是 It has been paid for? 寻找她的钥匙为什么是look for her keys而不是find her keykey 要用复数么,应该用look for 还是find Then what is it used for,do you know?这里为什么是is it?而不是it is? it was exciting news for all the people 为什么是it was exciting而不是it was an exciting? 为什么是looking different而不是look different什么时候加ing Then what is it used ,do you know?这里为什么是is it?而不是it is?是Then what is it used （for），do you know？这里为什么是is it？而不是it is？ Its time for class.Please go back to your classroom.为什么是for,to 而不是to,to或 for ,for 为什么是It is said that 而不是It said that 为什么是take it home 而不是take it to home? 为什么是take it home 而不是take it to home? 英语-为什么是it was he而不是it was him 为什么是picked it up,而不是picked up it 为什么是mix it up而不是mix up it? look for it还是look it for look it for or look for it