The boy has poor eyesight because he plays __ computer games.
Come on, Mike! You will miss the bus ______ you hurry up.
You can find many ______ about famous film star on the Internet.
He can hardly stay awake because he is so tired. ______?
Could you please tell me ______ at the2014 Winter Olympic Games in Sochi?
The girl in the classroom ______ be Maria. She called me from the library just now.