第二部分：英语知识运用（共两节，满分45分）
第一节：单项填空（共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. ---The last one __________ sings a song.
---Agreed.
A. arrived B. to arrive C. arrives D. arriving
22. ---Mr. Smith, ______ he have all these letters typed for you right away?
---He ______. They should be ready by 10 o’clock this morning.
A. will; must B. shall; has to C. need; will D. would; ought to
23. ---- What’s wrong with him? He is so sad.
---- He was ______ at not being invited to the party .
A. nervous B. anxious C. worried D. upset
