1. When he saw, me he smailed.
2. You can contact by, calling phjone.
3. In the case, of a lost passport, contact the police.
4. i couldn't speak, because on the laughter 
5. не знаю. прости.
6. do nothing without a demand
7. You get nothing, if you cry.
8. (Надеюсь правильно) in addention to particepanting in the conference, he worked in the organithation committe/
9. trying to solve one problem, i created another.
10. he will gave the answer, after taking with the (supervision - не помню вроде так)

1. Seeing me, he smiled.
2. You can get in touch with her by the phone.
3. Ii you lose your passport, contact the police.
4. I could not speak because I was laughing.
5. It should be discussed before taking a decision.
6. Do not do anything without asking for permission.
7. You will not get anything if you keep crying.
8. In addition to participating in the conference, he worked in the organizing committee.
9. Trying to solve one problem, I created another.
10. He will answer after talking with the supervisor.