What made Tom scolded by the teacher — ________.

Much to my surprise, it _____ raining by the time I wanted to go out

When would it be foryou to go to the science museum with me— I am free this Friday afternoon. Let’smeet at 2 p.m. at the school gate.

The World Expo 2010 is being held at a time the world is looking for a new kind of balance between nature and cities．

The teacher can _________believe that Tom studies so ________.