. Put the verbs in zero conditional (to wear) my old boots when I (to cook) salads, I . When I (to use) only olive oil. . When I . (to work). (to concentrate), please (not to make) so much noise. (to rise), it Unless prices (not to be) a good investment. Unless someone_ (to ask) you politely, (to refuse) to do anything.
I wear my old boots when I cook salads.
When I use only olive oil.
When I work, I concentrate. Please don't make so much noise.
If prices rise, it's not a good investment.
Unless prices are a good investment.
Unless someone asks you politely, refuse to do anything.