题目

--- How soon will you start your journey?   --- I'm not sure.  I haven't decided_______.  A. when shall I ask the boss for leave  B. where I will go to spend the holiday  C. if I would go by train or by plane   D. who should I travel with 答案：B将下面的小数化成分数。 2.75=（    ）                  2.125=（    ）                 0.45=（    ）  100.35=（    ）               7.875=（    ）                 2.32=（    ）