Relacionar Columnas Vocabulary Unit 7 Matching GameVersión en línea Test your knowledge of Vocabulary Unit 7 concepts with this fun matching pairs game! por Maria Florencia Mena 1 Affordable 2 Upgrade 3 Compatible 4 Tried and tested 5 Innovative 6 Spare parts 7 Ahead of its time 8 Behind the times 9 Experimental Something that is able to exist or occur together without problems or conflict. Something inexpensive; reasonably priced. Something based on untested ideas or techniques and not yet established or finalized. Something considered too advanced or modern to be understood or appreciated during the time A duplicate part to replace a lost or damaged part of a machine. Late, old. Something featuring new methods; advanced and original. To improve the quality or usefulness of something Something that was proven in the past to be effective or reliable