—The light in his room is still on.Do you know________?—In order to prepare for the coming exam.
My mouth was watering ______I watched A Bite of China.
I haven’t heard ________ Jim yet for a long time.
______I got up early this morning, I couldn't catch the early bus.
The environment in our city ____ greatly if we make every effort in the near future.
________ the girls in our class ________ over twenty.