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

__________ attracts movie goers in the film Avatar is its vivid three-dimension effect (三维效果) , grand war scenes and touching love story

You can make a complaint to the local government____you are happy with the way things are.

Is Jack often late for school-No,_____ . He always goes to school early.

_______ her illness, Millie did not come to school yesterday.