This is ____ that we mustn't waste time A what B because C why D so

初二英语同意句替换 一句,一空一词This is everything that we learedThis is ____ we leared Hello,this is Jim.____ that? This problem is so difficult that we can't work it out.(保持句意不变）This problem is ____ difficult ____ us _____ work out. 谁会这道题：This is the train __ This is the train ____ we went to Shanghai. [ ] A.on which B.by that C.by which D.on that This is the garden ___ we used to pretend ____ a concert would take placeA where that B that where C where where D that that The truth is that we are in a situation previously unknown to man .that/this意为____,修饰____,相当于__该句主语,谓语 This is the house in ____ we lived last year.A.where B.which C.that D./ This is ____ that we mustn't waste time A what B because C why D so This book is less interesting than that book?(同义句）that book is ____ ____ ____ this book . This car is different from that one.=this car is ____ ____ ____that one. this is a book 提问This is a book .a book提问____ ____ this That is a quilt .a quilt 提问____ ____ that This is ____ ____ ____ 英语 定语从句 写理由(1)The world ___ is made up of matterA.in that we live B.on which we liveC .where we live in D.we live in(2) This is one of the best films ____.A.that have been shown this year B.that have shownC.that has been shown this This is everything that we learned同义句This is ______ we learned同义句 he is always ready to help others.____ is why we make him our mointorA it B That C This D these This movies is as ____(boring)as that one. hello.____ ____Nancy?yes,this is Nancy.a Is this b is that c Are you This dress is more beautiful than that blouse.（同义句)That blouse is not ____ ____ as this dress