【单选题】【消耗次数:1】
I haven’t finished my composition . I ________ for two hours and a half.
have written it
have been writing it
wrote it
am writing it
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相关题目
【单选题】 I haven’t finished my composition . I________ for two hours and a half.
①  have written it
②  have been writing it
③  wrote it
④  am writing it
【单选题】 I haven’t finished my composition. I ___ for two hours and a half.
①  ?have written it
②  ?have been writing it
③  ?wrote it
④  am writing it
【单选题】 I often ______ the cooking for my family, but recently I have been too busy to do it.
①  will do
②  do
③  am doing
④  had done
【单选题】 I have been looking forward to ____ from my parents.
①  :hear
②  :being heard
③  :be heard
④  :hearing
【单选题】 ( ) he finished writing the composition in such a short time surprised us all.
①  What
②  How
③  That
④  If
【单选题】 I am ____ grateful for the many kindnesses you have shown my son.
①  excessively
②  much
③  certainly
④  exceedingly
【判断题】 I have finished the book.
①  正确
②  错误
【单选题】 I have_______ finished the homework.
①  yet
②  already
③  still
【单选题】 The reason _________ I am writing this letter is to tell you about the meeting on Saturday.
①  because
②  why
③  for
④  as
【单选题】 I haven’t read ____ of his books, but judging from the one I have read I think he’s a very promising writer.
①  any
②  none
③  both
④  either
随机题目
【单选题】 由C语言目标文件连接而成的可执行文件的缺省扩展名为?
①  cpp
②  exe
③  obj
④  C
【单选题】 设有两条语句为“int a=12; a+=a*a;”,则执行结束后,a的值为?
①  12
②  144
③  156
④  288
【单选题】 在下列的字符数组定义中,存在语法错误的是?
①  char a[20]=abcdefg
②  char a[]=x+y=55.
③  char a[15]={1,2
④  char a[10]=5
【单选题】 程序运行中需要从键盘上输入多于一个数据时,各数据之间默认使用什么符号作为分隔符?
①  空格或逗号
②  逗号或回车
③  逗号或分号
④  空格或回车
【单选题】 若x=5,y=10,则计算y*=++x表达式后,y的值是?
①  40
②  50
③  55
④  60
【单选题】 假定一个二维数组的定义语句为“int a[3][4]={{3,4},{2,8,6}};”,则元素a[2][1]的值为?
①  0
②  4
③  6
④  8
【单选题】 在执行过程中,先进行循环条件的判断然后执行循环体的语句是?
①  do和for
②  for和while
③  while和do
④  switch和break
【单选题】 在C语言中,所有预处理命令都是以哪个符号开头的?
①  *
②  #
③ 
④  @
【单选题】 在每个C语言程序中都必须包含有这样一个函数,该函数的函数名为?
①  main
②  MAIN
③  name
④  function
【单选题】 for语句能够被改写为哪种语句?
①  复合
②  if
③  switch
④  while