【单选题】【消耗次数:1】
he []his pen on the desk and began reading.
lay
laid
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相关题目
【多选题】 He_____________ to be reading when his mother came in.
①  drew a conclusion
②  nothing but
③  made himself seem
④  pretended
【单选题】 His father began to work ______ he was seven years old.
①  as old as
②  as early as
③  as soon as
④  as much as
【单选题】 5. His father began to work ____he was seven years old.
①  as old as
②  as early as
③  as soon as
④  as much as
【单选题】 She put her pen [填空] the desk.
①  in
②  on
③  at
④  for
【单选题】 The letters for the boss __________ on his desk but he didnt read them until three days later.
①  were put
②  was put
③  put
④  has put
【多选题】 _____________ , he began to write a report.
①  Finish the exploration
②  Having finished the exploration
③  The exploration finished
④  The exploration finish
【判断题】 Before he began to study in the university, he had worked in a company for three years.
①  正确
②  错误
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①  well worth; to buy
②  very worth; buying
③  worthing , buying
④  worthy, to buy
【单选题】 A pen pal provides good motivation for your writing because he or she ____.
①  lives far away from you
②  knows China a lot so that you can have a lot to talk about
③  also keeps a diary
④  may inform you of many interesting things in his or her culture
【单选题】 A: Dont worry. Ill leave the message on his desk. B: [填空].
①  Thats great
②  Thats great idea
③  Thank goodness
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随机题目
【单选题】 若a为终结符,则A→α·aβ是项目。
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④  待约
【单选题】 一个确定的有穷自动机DFA是一个。
①  五元组(K,Σ,f,S,Z)
②  四元组(VN,VT,P,S)
③  四元组(K,Σ,f,S)
④  三元组(VN,VT,P)
【单选题】 B是单个的非终结符号,a是单个的终结符号。)
① 
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③  αβ
④  αAβαγβ
【单选题】 算符优先分析法从左到右扫描输入串,当栈顶出现时进行归约。
①  素短语
②  直接短语
③  句柄
④  最左素短语
【单选题】 FORTRAN语言中的存储分配策略是。
①  时钟分配策略
②  最佳分配策略
③  静态存储分配策略
④  动态存储分配策略
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①  +?>(
②  (?>(
③  +?>)
④  (?>)
【单选题】 四元式之间的联系是通过实现的。
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②  临时变量
③  符号表
④  程序变量
【单选题】 合并表达式中的常量运算的目的是。
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②  合并常量,使表达式尽可能简短
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④  以上都不是
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①  正确
②  错误
【判断题】 正规式的运算符“|”读作“或”。
①  正确
②  错误