为什么是This is the first time that I feel really pleased for months而不是have felt really pleased for months

8.This printer is of good quality.If it _______ break down within the firs是情态动词题 It is on the firs floor 改为一般疑问句 the firs－rate team this is the dictionary that is his 为什么是错的 为什么是What is this 而不是This is what? This is the magazine _____ I copied the paragraph.为什么是from which 而不是from that This is the only path leading to the village 为什么是leading _____ is the firs daay of a week.A.Sunday B.Monday C.Saturday is this book the one you want to read?翻译为陈述句为什么是this book is.而不是this is book. This is the shop which sells children's clothes. sell为什么是单三? This is one of the most famous place of interest为什么是单数 THIS book is different from (--)I read last month为什么是the one this plan is to change the desert into farmland中,为什么是to change?如题 What is the reason that he gave for this?为什么是定语从句啊 This is the first time…为什么是现在完成时?而不是一般现在时? I like __ best in this book.A Lesson One B Lesson firs C the lesson one D first lesson 求解tell me what kind of bird this is?为什么是this is而不是is this? This is all that our headmaster said at the meeting为什么是is不是was?是that不是what