1.  I have never have the sense when I think of some questions like - Why did Li Bai use this metaphor to describe this thing?

2.  I haven't had any contact English since I graduated from the university 14 years ago.

3.  College life in my imagination\

4.  I have had my own imagination of college life since then.

5.  When we learn a foreign language, we have had at least one language as a basic, although maybe there is a large amount of difference between the two languages.

6.  So, if we want to read well, we'd better have a good vocabulary.

7.  Despite this effort, the Chinese have had to make difficult decisions.

8.  To save major industrial cities, such as Wuhan, they have had to open floodgates upstream, flooding local areas once they were evacuated.

9.  From my point of view, we'd better have a right attitude to beauty contests.

10.  Recently, my classmates have had a heated discussion about whether we should make girlfriends or boyfriends.