【求详解】一道托业语法选择题：It's mandatory that passengers ( ) their seat belts.A.fasten B. fastening C.should fasten D. have fastened

【求详解】一道托业语法选择题：It's mandatory that passengers ( ) their seat belts.A.fasten B. fastening C.should fasten D. have fastened 一道三角函数选择题.（求详解） 一道托业语法选择题Caro Bridwell has ( ) a senior partner in the law firm of Mason and Woodford.A.elected B.electing C.been elected D.being elected求对该题详细分析. 一道高中物理题（关于磁场的选择题）,求详解 关于比较级的一道选择题,求详解.这是道专四题Western Nebraska generally receives less snow than _____ Eastern Nebraska.A.in B.it receives in C.does D.it does in 运用什么语法结构,最好能补充说明.求英语高人. 数学.求详解.选择题. 圆锥曲线选择题,求详解 一道英语选择题,Peter,show me your () hand,What's it?Peter ,show me your () hand,What's it?A :the other B :another C :other D :others应该选哪个?为什么 其他的不选又是怎么错了?求详解希望尽早得到您的回答.坐等回 一道英语选择题.求语法详解--Is everyone here?--Not yet…Look,there ___the rest of our guests!A come B comes C is coming D are coming 求详解,说明句子的语法和含义The shirt was baraly soggy or clinging or any of the things it's mythologized to be. 大一高数第二类换元法与分部积分法选择题一道求详解~~ 高手进!高中物体选择题一道~答案是BD 求大神们详解~ 一道高中英语选择题,求详解Teaching,I think ,is a satisfying career,______ most people admire nowadays.A,that B.one C.it D.what答案选B.one 为什么不可以选C.it 呢 化学题一道求详解 求一道物理题详解? 一道物理题求详解 一道数学题,求详解 一道物理题求详解