When my sister phoned me, I couldn't hear clearly what she was ___.
Which do you enjoy _ your spare time, playing cards at home or taking a walk in the park?
--How are your business goes wrong? ---But I have done all that is __ by law.
Sunday, rather than _at home, I preferred .
---There is something wrong with my watch, will you ___ ? ---Let e see.
With a lot of problems __, the VS troops are having a hard time in Iraq.