$1.$ Auditors $\_\_\_\_\_\_\_\_\_\_$blank an opinion when they are unable to form an opinion$\mathrm{.}2.$ Limitations on the scope of an audit may create a situation in which the auditors are unable to obtain sufficient $\_\_\_\_\_\_\_\_\_\_$blank$\mathrm{.}3.$ Qualified opinions are issued when the financial statements are $\_\_\_\_\_\_\_\_\_\_$blank misstated$\mathrm{.}4.$ When there is significant doubt as to the ability to continue as a going concern, a$($n$)\_\_\_\_\_\_\_\_\_\_$blank paragraph may be added$\mathrm{.}5.$ A$($n$)\_\_\_\_\_\_\_\_\_\_$blank opinion is appropriate if a material misstatement is considered pervasive.