1.b> i> , ; what is their main source of income? ? our local library will be a useful source of information ; renewable energy sources ; for me, music is a great source of enjoyment / ; this word has its source in Greek ;
2.b> .i> pli> , i> (, i>); ; he refused to name his sources / ; we've heard from a reliable source that the terrorists are planning an attack / , ; government sources indicated yesterday that cuts may have to be made , ; I've heard from reliable sources that the company is in trouble , i> ; historians use a wide range of primary and secondary sources for their research ; list all your sources at the end of your essay ;
3.b> , (.i> i> .i> i>); we've found the source of the trouble / ; a source of violence ; the recent name change has been the source of some confusion / ; money is often a source of tension and disagreements in young married couples / ;
4.b> (, i>); the source of the Nile .i> ; we walked up the river to its source in the hills , ;
at sourceb> ) , , / ; reduction of pollution at source i> / ; ) i> / , ( . i>); is your salary taxed at source? / ? tax is deducted from my income at source ; is your pension taxed at source? i> / ?