★考生得分：1 分评语：
13. One of the chief duties of a teacher is to (?) his students. （1分）
A.encourage
B.sponsor
C.believe
D.recognize
☆考生答案：A
★考生得分：1 分评语：
14. (?) the time that this letter reaches you I will have left this country. （1分）
A.At
B.For
C.To
D.By
☆考生答案：D
★考生得分：1 分评语：
15. I think winter is a beautiful season, (?) when it snows. （1分）
A.specially
B.typically
C.especially
D.terminally
☆考生答案：C
★考生得分：1 分评语：
16. The only language (?) is easy to learn is the mother tongue. （1分）
A.who
B.that
C. /
D.whom
☆考生答案：B
★考生得分：1 分评语：
17. The house (?) windows are broken is empty. （1分）
A.who
B.which
C./
D.whose