پاسخ‌های کیارش معروف

The new industrial zone is a major cause of.............pollution in the northern part of the province.  A- audible  B- visual C- atmospheric  D- aromatic

Despite the company'  s huge budget, their advertising campaign proved to be.............in attracting young costumers. A- influential  B- futile C- productive  D- innovative

The ancient manuscript was so..............that the curator refused to let anyone touch it without gloves.  A- resilient  B- fragile  C- durable  D- flexible

Let's do this..........we,? A- Do  B- are C-could D- shall

I spoke to the manager................................ A- whom you sent a letter to.  B- who you sent a letter to him. C-  that you sent a letter to him.  D- which you sent a letter.