Replace the underlined expression in each of the following sentences with an expression form Text A that best keeps the original meaning. 81. All the visitors were deeply impressed by the grand and wonderful ancient buildings, which demonstrate the great intelligence of the labouring people. 82. Don’t worry, we’ ll surely get all the money back to us by some means, although we don ’ t know how. 83. European Union is an ideal that has been encouraged and developed since the post-war years. 84. The book is designed to offer young people good way s to communicate with people effectively . 85. Teenagers often start smoking because of p ressure from those of the same age, social status or ability . 86. Divergent thinking is not much use without the ability tell a good idea from a bad one, and for this, we must rely on convergent thinking. 87. They are my children, so I have the duty to look after them. 88. To sum up , do in Rome as Rome does, but you need not worry about these cultural barriers since most Chinese are hospitable and amiable and will not mind your nonproficiency. 89. T en years after graduation from college , Diana returned to campus to take up her studies for a master ’ s degree . 90. The journey was accomplished with the largest degree of comfort and ease and a minimum of discomfort.