1．Excuse me. I want a seat in the smoking ________ (区域)．
答案：section
2．He ________ (认出) me as soon as I came in the room.
答案：recognized
3．Some ________ (消极的) words in English don't really mean something wrong.
答案：negative
4．Discussions are held on an ________ (非正式的) basis within the department.
答案：informal
5．To my ________ (惊讶), he should remember my name after so long a time.
答案：astonishment
6．He looked calm, but a________ he was very excited.
答案：actually
7．It is i________ that production will start next month.
答案：intended
8．In many cases we can use different e________ to convey the same meaning.
答案：expressions
9．There are too many e________ in your work.
答案：errors
10．They are all o________ people.
答案：odd
