I didn’t see you at the meeting yesterday.– I _______ an important report at that moment.
Please turn on the light. It is ______dark ______ see anything in the room..
Sorry, Doctor Smith isn’t here right now. —May I ____ a message on his desk?
With the development of science and technology, news can be_______ to every corner of the world in seconds.
The maps will be useful ,if you get .