Questions 20 to 22 are based on the recording you have just heard.
1.[单选题]________.- A.It is more effective.
- B.It will be more interesting.
- C.It will finally be realized.
- D.It takes shorter time.
2.[单选题]________.- A.It is easy to make friends but not true friends.
- B.It is suitable for people who are good at socializing.
- C.It is helpful to those who have special interests.
- D.It is a waste of time if you have enough friends.
3.[单选题]_________.- A.You will improve the relationship with old friends.
- B.You will get some latest and useful information.
- C.You will get some opportunities for career.
- D.You will meet new people by others' introduction.