4 . After her sojourn in the US , there has been marked progress in her speaking skills , but not really in her writing .
A ) Her English is unquestionably better now , although she still finds it hard to write a report in English . x B ) Her stay in America has obviously enhanced her communication skills , excluding speaking . C ) Her journey in the US had an adverse impact in her English which hindered her being hired by several companies . D ) Her English skills changed after travelling to the US ; unfortunately , they have not improved . E ) The American way of speaking is remarkably recognised in the whole world .
5 . There has been a dramatic growth in the number of students attending that course since the old professor was dismissed .
A ) There has occurred a tremendous nose-dive in the number of students attending that course . B ) The number of courses being taught the old professor has tripled this term . C ) The attendance rate in that course has been raised by the arrival of a new teacher with a brand-new pedagogical approach . D ) It ’ s hardly astonishing that the number of attendees of that course increased after the old professor got the sack . X E ) There has been a trend of letting go old professors , which has caused the lack of students attending courses .
6 . It is obvious that there is a stable reduction in the number of people out of work .
A ) It has been observed that the unemployment levels have been continuously dropping . x B ) We are perceiving that job loss is marking our society year by year . C ) It is unclear whether the employment rate is due to a steady group of people who prefer to live on Government support or are unwilling to stay at home . D ) It is understandable that there is a fluctuation in the number of jobless people . E ) Redundant people are having an impact on the decrease of job offers .
7 . Surprisingly , there has been a manifest deterioration in the company ' s customer support services leading to a fall in sales .
A ) Recently , there has been a noticeable intensification in the customer complaints against the company ' s after-sale services , which triggered a selling drop . X B ) The company ' s customer support services are now unexpectedly better organized than ever and they are selling more and more . C ) The after-sale service has improved their strategy and costumers are very satisfied . D ) The support provided after a customer has purchased a product in that company has upgraded their performance astonishingly .