--- What ______ when I phoned you? --- I ______ my work, and I wanted to go out.
He _________ the country record at the sports meeting.
________ the normal condition, he can read 150 words a minute.
The schoolboy regretted ________ after he didn't pass his exam.
What way are you thinking of ________ rid of this kind of pollution?
Reading without stop is a ________ piece of work.