Every student in Miss Chen’s takes turns __________ the classroom every day.
The detective found him guilty ________ robbing the old man of his watch.
What kind of film do you think Tiantic belong to?
-------- Mr.Li, I can’t understand everything in class.--------Don’t worry ! I’ll _________ the main points at the end.
The film _________________ for half an hour when she got to the cinema.
We have to stay at home instead of going finishing because it is raining ________________.