One of ________ in our class is from the USA.

1. A.
   students
2. B.
   student
3. C.
   the student
4. D.
   the students

One of ________ throwing a Frisbee．

1. A.
   the boys is
2. B.
   boy is
3. C.
   the boys
4. D.
   the boys are

One of the visitors ________.

1. A.
   is from Canada
2. B.
   are from Canada
3. C.
   comes from Canadian
4. D.
   come from Canadian

One of ________ doctors in America will visit our hospital and give us a report.

1. A.
   the famous
2. B.
   most famous
3. C.
   the most famous
4. D.
   the more famous

One of the most interesting places in Yangzhou ________ are often visited by foreigners is the West Slender Lake.

A. what 　　　　　　　 B. who　　　　　　　　 C. that　　　　　　　　 D. /