I usually use the computer to search for information. （对划线部分提问）
  ▲  do you usually use the computer   ▲ ？
Can you show me how l can get to the railway station? （改成同义句）
Can you show me   ▲    ▲  get to the railway station?
The job is very important. You must finish it on time. （将两句合并成一个句子）
It is   ▲  an important job   ▲  you must finish it on time.
They have been marred for fifteen years. （改成同义句）
They   ▲    ▲  fifteen years ago.
We will donate all the money to Project Green Hope. （改成被动语态）
All the money will   ▲    ▲  to Project Green Hope.