—Try not to work yourself too hard. Take it easy.—Thanks. ________
No one has _____ been able to trace the author of the poem.
If you don’t take away all your things from the desk, there won’t be enough_____ for my stationery.
By 1909, Picasso had______ himself as a painter of great talent in Paris.
We volunteered to collect money to help the ______ of the tsunami.
If you spend enough money advertising, your product sales will surely_________.