is this the very material one plastics now?

is this the very material one plastics now? this is the very material i'm _. this is the new type of plane__ parts are made of plastics this is the one This is the teaching material that I use on class 求一首歌歌词：this is goodbye .演唱者：the material This cup is made _______(of /from)plastics. This is one of the rooms that is free now.改错 this is one of the rooms that is free now 有一处错误是哪谢谢了, This is the very reason ____ he explained to me just now.A.w 一道英语问题： This curtain material is very good ( ) A.clothes B.c this kind of material is not as useful as that one.(保句意) tha