Women’s Day is on ________ eighth of March.

The manager is always very _______ for appointments, which earns him a good reputation.

It’s already 10 o’clock. I wonder how it _____ that she was two hours late on such a short trip. [ ]

____ a basketball player ，he wants to be a person ____ Yao Ming is popular.

The computer system _____ suddenly while he wassearching for information on the Internet.