Раскройте скобки и поставьте глаголы в правильную видовременную форму: most of the time he ( sit) behind a desk , but this week he ( some practical experience offshore . a lot of different nationalities ( in the refinery , so sometimes people ( problems communicating. i (not understand ) how this instrument (work . can you explain it to me? i' m sorry , mr.peters isn't here . he(have an arabic lesson . he (always have ) one on monday evening. he ( sport a lot . he ( to the gym twice a week. he ( for next month's marathon.
Get- got
Work- worked
Have- had
Not understand- not understood
Work- works