Questions 1 to 5 are based on an interview. To study architecture in a university one must ______.

单项选择题The interviewee is not self-employed mainly because ______.

单项选择题The interviewee’s first job was with ______.

单项选择题Degradation can be illustrated by the following example ______.

单项选择题Question 6 is based on the following news.

单项选择题______ approach the same linguistic unit from different perspectives.