选择题
1。The world is changing _______________。
A。 for the first time B。 from time to time C。
   at that time D。 all the time
答案：D
2。 I don't know _______ she will come tomorrow or not．________ she comes，I'll tell you．
A．if；Whether B．whether；Whether C．if；That D．whether；If
答案：D
完成句子
1。
  顺便问一下，鲍勃将去哪里度假？ _______ _______ ________, where will Bob go on vacation?
答案：By the way
2。
  你叫什么名字？What's ________ ________ ?
答案：your name。