1, I went by car;otherwise;I(not/have) a car sick
2, I( have) money for lunch now if I hadn't left my wallet at home this morning
3, We could have had a fine if we(throw) wastesin the park
4, Without (travel) by plane, I would not go there on time
5, We didn't bring enough food;otherwise;we(spend) a lot of time in expensive restaurant
6, I knew the news; otherwise; I(tell) him about it
7, he failed;otherwisee his parent (be)happy