-Jack, how can I turn on this ipod?-__________.
There has been a(n)________of gloom in the factory since it was announced that it would be closed.
The doctor thought the medicine was perfect,but it didn't ________the disease at all.
When will the new driving laws come into________?
Bill was doing a lot of physical exercise to build up his________.
Jack's business is not as good as before,so he has to ________the expenses of his company.