Matching Pairs Unit 4 Making ContactOnline version This matching activity is based on Unit 4, Benchmark Upper- Int. by Paola Diaz 1 Dress formally 2 Check availability 3 Form an impression 4 Drive 5 Carry out research 6 Hold on 7 Get sth up on the screen 8 Account for 9 Reinforce 10 Charge To do or complete a detailed study of a subject, especially in order to discover (new) information. Wait while someone else does sth, especially when you are using the phone. To get an idea or opinion of what sth is like. To wear a serious type of clothes. To cause or influence sth. To find out if something is able to be bought, used or reached. To make sth able to be seen or read on a computer system. To make an idea or belief stronger. To ask for a particular amount of money for something, especially a service or activity. To form the total amount of.