It’s quite normal to ten percent of the cost of a building for a period of six months or so, in case faults are found in it.
Scientists have to work hard to keep _____ with modern discoveries and developments.
She _____ the temptation to buy a coat she could not afford.
He put in a special _____ for an extra day's holiday so that he could attend his daughter's wedding.
It was decided to _____ the search when there was no hope of finding the missing girl alive.
The Prime Minister refused to comment on the rumor that he had planned to _____.