( ) We will go to Beijing __________ Monday morning. A. in B. on C. at
One of the boys _______ a black hat.
Jenny _______ in an office. Her parents _______ in a hospital.
There _______ a football match in our school this afternoon.
There _______ not any water in the glass.
There is _______ “f” and _______ “u” in the word “four”.