The only system I know ____ will help you remember what you have heard at a lecture is the system of keeping notes.
Never before ______ to ______ what his parents expect of him more than it is today .
_____ on May Day, the Shanghai Expo has attracted tens of thousands of visitors around the world every day.
The middle-aged man said he would accept the job, so we have asked him to ________ his acceptance in writing.
We needed a new cupboard for the kitchen.So Peter made _____ from some wood we had.
Dela had made up his mind to give it up ,but on _____ second thought ,he determined to try ______ third time.