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(一)In many countries the standard of living enjoyed by their people 1 (increase)rapidly in recent years.Sadly,not everyone in these countries is so fortunate and many people in rich countries are homeless.tThe reasons for homelessness are various,but poverty is 2 (doubt)one of the main causes.The
(A) In many countries the standard of living enjoyed by their people 1 (increase) rapidly in recent years.Sadly, not everyone in these countries is so fortunate and many people in rich countries are homeless. TThe reasons for homelessness are various, but poverty is 2 (doubt) one of the main causes.The