1 Is this museum_____they visited last month?A that B where C which D the one2 Is this the museum_____they visited last month?A that B where C which D the one这两句分别选什么,有什么区别?

1.My mother often ask me _____ when Idon't feel well.A.what the matter isB.what is wrongC.what the problem isD.what wrong is2.I never seem to lose any weight,_____ hard I try.A.even though B.no matter what C.as if D.ever since3.Is this the museum____ This is is this This is THIS IS this is this is This is a word called IBMIs this correct?(1) this is a word called IBM这个字叫“IBM Maybe this is a happy ````````````1``` excuseme.is this black coat(1)( 变复数形式.1、This is his case.2.this is her hat.3.this isn,t my passport.4.is this your coat ? This is a answer这句话哪里出错?改病句 (1)This is a answer this is 比如 this is fly Is this a book? Yes,this is. This is life .This is live! This is Mary.意思不变：This is （ )( ) This Is Me,This Is You 歌词 This is a man提问( ) is this?