What's the ______(different)between a hill and a pill

What's the ______(different)between a hill and a pill What's the ___(different) between a hill and a pill?所给单词适当形式 what's the diference between a pill and a hill What's the difference between a pill and a hill What is the difference between a hill and a pill? What's the diffenrence between the hill and the pill? 用英语回答what is the difference between a hill and a pill? What is the difference between a hill and a pill?用英语回答问题 What`s the different between A and B 还是What`s the difference what is the different between a tramp and a liner? What's the different between a head of and in front of?Thank what are the _____ (different) between picture A and picture