Recently we held a discussion about what we shall use for power when all the oil in the world has _________

Why do you turn up so late?—–Sorry. My car_______and I had it repaired.

, my daughter takes great interest in most ofthe food on the menu — Thanks ______ Salad, fried fish, chips and orange juice, please

.If a computer crashes, you will lose the file you _________unless you save it regularly

In the street，you should be careful enough ________ old people down.