讲解此题：Mike had dropped in to _ first hand how things were going on.A.inquire B.require C.assign D.acquiredrop in

讲解此题：Mike had dropped in to _ first hand how things were going on.A.inquire B.require C.assign D.acquiredrop in 此题求讲解!讲解! 求此题讲解 此题求讲解 此题答案与讲解 此题应该怎样讲解? 液体压强公式 讲解一下此题 此题讲解..为什么B、C、D不对? 初中英语惯词用法,此题求讲解 作为一个无知的学者,求讲解此题 此题求大神讲解,希望过程详尽些,(>^ω^ 讲解英语时态题高手帮我讲解几道英语时态上的错题,为什么选此答案?两个空的都要说明.1.when i was at college i ( ) three foreign language,but i ( ) all except a few words of each.A:spoke;had forgotten B:spoke;have forg Mrs.Johnson said,I drew the picture last week. Mrs.Johnson said that ()the picture().A.she drew;the week before B.I had drawn;that weekC.she had drwan;the week before D.I drew;the last week求此题答案及详细讲解... There are two apples in Mike’s hands.=Mike had two apples _. Mike had a birthday party lastweek?改成否定句 Mike Mike 求此开关电源电路详解,工作原理!如题,希望能够详细的讲解一下此开关电源的工作原理!