Mr Smith understands that while maths has always been easy f

Mr Smith understands that while maths has always been easy f Mr Smith understands that _____ maths has always been easy f (Mr.Smith's passport) has been issued Mr.Smith has been living in London since 1978.Mr.Smith has l Mr.smith always has some good news to tell us. Mr.Smith has been here since the factory opened为 .Mr.Smith has been working in China ___________ 2000. Mr.Smith has been 什么hospital什么last month mr.smith has little acquaintance __ drama,while he has a wid Mr Smith always wears _____. Mr.Smith is not at home.He___to work.A.has gone B.has been C Mr Smith has gone to American 10years ago and has been there