Ⅰ.单词拼写
1．I ________ (道歉) to her for stepping on her toes.
2．Mark longed to escape from the same old familiar ________ (常规)．
3．We will not, however, treat this project as an extracurricular or ________ (随意的) activity.
4．I have to write an essay for next week's __________ (研讨会)．
5．He's a __________ (单身汉), who lives alone and spends fairly freely.
【答案】1.apologized 2.routine 3.optional
4．seminar 5.bachelor
