“It’s too early to conclude that the problem but I think we have been moving in the right direction,” the manager said
His first book ______ last month is based on a true story.
________by curiosity,he opened his wife’s notebook and began reading her diary.
________ the delayed flight will take off depends much on the weather.
I________ along the street looking for a place to park when the accident________.
Not until_______ home ______he had had his wallet stolen.