在英语越来越重要的21世纪，学好英语成了大学生的首要目标。为帮助大学生更好地掌握英语知识，特提供以下文章：
1. My pain__1__ apparent the moment I walked into the room, for the first man I met asked sympathetically: "Are you feeling all right?"
A. must be
B. must have been
C. had been
D. had to be
2. It is only when you nearly lose someone__2__fully conscious of how much you value him.
A. do you become
B. then you become
C. that you become
D. have you become
3. Just as the soil is a part of the earth,__3__the atmosphere.
A. as it is
B. so is
C. the same as
D. and so is
4. While driving along the treacherous road,__4__.
A. my right rear tire blew out
B. my right rear tire had a blowout
C. I had a blowout on my right rear tire
D. I had my right rear tire blowout
5. Jean Wagner's most enduring contribution to the study of Afro American poetry is his insistence that it__5__in a religious, as well as worldly, frame of reference.
A. is to be analyzed
B. has been analyzed
C. be analyzed
D. should have been analyzed