It is used in informal situations.The greeting is often used by younger people.是什么意思

what is used in what is used in it It is used in informal situations.The greeting is often used by younger people.是什么意思 The weather in Beijing is much better than ( )选择A.that used to beB.it used to beC.that used toD/it used to为什么不是A take your time.please inform us once it is done. In my opinion,the traffic in our city is much more-convenient than ____.A.that it used to beB.it is used to C.it was used to D.it used to be 该选哪个,求高手指教, 请写清楚原因,In my opinion ,life in the twenty-one century is much easier than ——.A.that used to B.it used to be C.it was used to be D.it is used to What is it used for? 英语翻译A control system is used to calculate the requiredreference values for the hydraulic cylinders that areused as actuators in the motion platform.The controlmethod is based on the position and velocity informationof the actuators.The inform (In my opinion,life in the twenty-first century is much easier than it used to It is used in the business on the sea and in the air的中文翻译 Life in the twenty-first century is much easier than _____ A that used to be B it is used toC it was used to D it used to be Anvantage of the mass media is that it gives people the inform they need in their daily lives其中的“that”为什么不可以换成“whenever”! In my opinion, the idea of a family is much narrower than ___. A. that used to be B. it used toC. it was used to D. it used to be .请问,为什么不选A? In your kitchen ,what can't be used unitil it's broken.what is this? As everyone knows,English is very important today.It has been used everywhere in the world. We are e_____ to learn English well,for it is widely used in the world. used it is for holes making paper in连词成句. It is estimated that 10% of electriaity used in Chain will be generat