11) I teach because I like the pace of the academic calendar; I teach because teaching is a profession built on change; I teach because I like the freedom to make my own mistakes.
12) I have left out the most important reasons why I teach.
13) The reason for this is that technology feeds on itself
14) Owing to fierce competition among the airlines, travel expenses have been lowered considerably.
15) Owing to the lack of coordination between the two sides, the project has made little progress so far.
16) The teacher tried to encourage her students to become less dependent on their parents because they would sooner or later have to take care of themselves.
17) Yet the public has every reason to be wary of professional deception(欺骗)
18) At times, they see important reasons to lie for the patient’s own sake.
