The school rules state that no child shall be allowed out of the school during the day, ______ accompanied by an adult.
Every student in our class had an application form in his hand, but no one knew which office _____.
— Why is the librarian looking so hard at me? — You ____ to read aloud in the reading room
____ we have finished the course, we shall start doing more revision work. A. For B. Now that D. By now D. Until
Shopping on line can provide ____ convenience and choice, but not ____ websites are safe enough for shopping.
—Why did you come by bus? —My car broke down yesterday evening and I ________ it repaired.