You’d better book the tickets as early as possible, ________ they will be sold out soon.
—Li Lei isn’t in the classroom. Where is he? —He ______ to the teacher’s office.
With the help of the Internet, news can ______ every corner of the world.
—I lost my MP4 player on my way to school this morning. —______ You must be careful next time.
I find ______ fun to fly kites in the field, especially on a windy day.
A ______ boy named Dong Kai lost his right leg in a car accident.