第二部分：语言知识及应用（共三节，满分45分）
第一节 单项填空（共20小题；每小题1分，满分20分）
21. —Thank you for joining in our conversation tonight.
—_____.
A. It’s my duty B. It’s all right
C. It’s my pleasure D. With pleasure
22. ---- Do you know our town at all?
-------No, this ________ the first time I _________ here.
A. was; has come B. is; come
C. is; had come D. is; have come
23. ----My sister is very upset today.
-------It’s your fault. You ________ the bad news to her yesterday.
A. should tell B. should have told
C. shouldn’t have told D. must tell
24. Mr Green asked Lily ________ she had written to her father _______.
