С, нужно открыть скобки в нужной форме: 1. the letter (to write) now. 2. this machine (to test) now. 3. new subjects (to study) next year. 4. he said that (to be) a good specialist. 5. he told that he (to do) this work himself. 6. we saw that our teacher just (to go out). 7. he says that (to be) an engineer. 8. we have a picnic tomorrow if it (be) a fine day. 9. i (wait) for you until you (come) back from college. 10. the conference (to hold) in may. 11. machine - tools (to use) to shape metals and other materials.

The letter is writing now.This machine is testing now.New subjects will study next year.Ha said that was a good specialist.He told that he did this work himself.We saw that our teacher just go out.He says that (will be) in engineer.We have a picnic tomorrow if it will be a fine day.I wait for you until you come back from college.The conference hold in May .Machine- tools use to shape metals and other materials.

1. The letter is being written now. 2. This machine is being tested now. 3. New subjects will be studied next year. 4. He said that is (was) a good specialist. 5. He told that he did this work himself. 6. We saw that our teacher have just gone out. 7. He says that is (was) an engineer. 8. We have a picnic tomorrow if it will be a fine day. 9. I'll wait for you until you come back from college. 10. The conference is ( was) held in May. 11. Machine - tools are used to shape metals and other materials.