Ifs and/or buts - reasons why someone doesn't want to do sth/their objections, In dribs and drabs - in small amounts/a few at a time, Make or break - situation/something that will lead either to success or failure, Mix and match - to combine things in different ways for different purposes, More or less - almost, Short and sweet - not too long or complicated, Touch and go - not certain, with a risk of death or serious failure, Wine and dine - entertain sb generously at a restaurant with fine food and drink, Trial and error - way of finding a good method involving trying several possibilities and learning by mistakes, Wear and tear - damage that happens to objects in ordinary use, On and off - from time to time, now and again, Pick and choose - taking only the things you want from a group of things,

C2: Binomials -2

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