同义句转换，每空一词

1、The water was so dirty that  we  couldn't  drink  it.

      The water  was ____dirty  for  us ___drink.

2、The  porblem  is too  different  for   me   to  work  out.

      The  problem  isn't ____  ____ for  me  to  work  out。

3、why  don't you come to join us?

      ____  ____  com to join us.

4、Can you tell  me  what I  should  do  now?

     Can  you  tell  me___  ___  ___ now?

1. too....to 

2. easy enough

3. Why not

4. what to do