Read the sentences and choose the correct variant. 1. I am ____ loss, I don't know what to do. by at for in 2. The President will be in evidence ____ the Senate Committee. before during after in 3. We will know everything ____ he comes. before at in during 4. ____ the end, everything was fine. At By In On 5. Is there anything interesting _____ the paper today? at within on in 6. We are offering solutions _____ a price almost anyone can afford. in on at by :