Don’t mention that at the beginning of the story, or it may _____ the shocking ending.
It was foolish of you to take a taxi ___ you could easily walk there in five minutes.
He is only too ready to help others, seldom, ____ refusing them when they turn to him.
The traditional approach ____ with complex problems is to break them down into smaller, more easily managed problems.
Someone called me up in the middle of the night, but he hung up ____ I could answer the phone.
------ What made little Tony so unhappy and cry in his room? ------- _________to go biking with his brother.