If we don’t prevent some students from surfing the Internet late at night, they won’t do their homework on time, ________.
—Would you mind my telling him the news? —_________.
_____ you make a plan for study, you have to follow it.
The science fiction ______ last month and now it is popular with children.
No one can be sure in a million years.
____ students are practicing ___ English with each other at the English corner.