_____ the oil price is on the rise, lots of people go to work by BMW instead of driving cars.
After her time in hospital, Jenny's parents are afraid she has _____ in her lessons.
—Look, John‘s fallen asleep at work! —Oh, he must have ________ late last night.
—Won't you go shopping with your mother? —No.________ she promises to buy me a new sweater.
The result is very important.It is supposed ______ a secret between you and me.
Knowledge and learning are important if we want to be successful, but they may also ________our thinking.