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