Translate the sentences. Mind the word one. 1. One must cross

Translate the sentences. Mind the word one. 1. One must cross a street under the green light. 2. It is one of those things that one cannot do oneself. 3. These exercises are more difficult than the ones in unit one. 4. One must always keep ones word. 5. If one cant have what one likes, one must like what one has. 6. One difference between these two dresses is cost. 7. Environmental protection is one of the most difficult and acute problems.