I ______ the help of my colleagues in the preparation of this new column.
Once you get _______ something, it is very hard to ________.
Much labor would have been saved if the electronic computers_____________ before.
The mayor was charged with _______ his power for personal benefits.
What she is addicted ________ her feel better temporarily and reduces the pain of separation.
The handicrafts, ________ had been made by the students, were sold out soon.