109. The information allows businessmen to keep _____ of their list of goods by showing which items are being sold and how fast they are moving.
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.