请问这道题选什么呢?为什么? The goods _____ when we arrived at the airport. A. were just unloading B. were just been unloading C. had just unloaded D. were just being unloaded

为什么G=mg里g是自由落体加速度?为什么呢,有什么关系呢? We then listened to the child read the article _____(write) on the blackboard.请问填什么呢?为什么? 请问为什么人家说猫有九条命?什么道理呢? 请问stand at the door 和stand by the chalkboard,为什么用at和by呢?两者有什么区别? 请问这道题选什么?为什么? All the teachers are against the idea to [ ] the new teaching building beside the sports groundA findB setC locateD build up请问选什么 为什么选这个呢? 请问go to the park中的the是表示什么,为什么把go to the park的过去式went to a park就是用a呢?如题 为什么g 不等于G/m呢? 请问这个中文叫什么呢?我不懂英语The final security door.To open it,you need to attack the corewhile it'sred.lf you faic,it'llclose,Usethe G datton to toggle the loc-on,and hit itdirectly. 请问,being在这里做什么成分?strangely enough,some famous scientists have the qualities of being both careful and careless.请问这里为什么要加being呢 请问这道题选什么呢?为什么? The goods _____ when we arrived at the airport. A. were just unloading B. were just been unloading C. had just unloaded D. were just being unloaded 请问这里为什么要用现在分词cheeringWhat's all the cheering about?有什么高兴的事吗?请问,这里为什么要用现在分词cheering,为什么不直接用名词cheer呢:What's all the cheer about? 那请问加工M2-6G/g的螺纹需要什么规格的丝锥及板牙呢 请问什么叫做杯中酒啊为什么会有这个说法呢? Listen to the tape then answer the question below.请问below在这算是什么成分啊?作副词还是介词?为什么要放在最后呢? Listen to the tape then answer the question below.请问below在这算是什么成分啊?作副词还是介词?为什么要放在最后呢? To be away from the city on such a beautiful day is my idea of heaven!请问为什么要用不定式做主语呢?为什么要这么用呢?什么情况才这样用呢? What is___plane?_____machine that can fly(a the)请问怎么填呢 为什么呢