-----What’s the population_______the U.S.A.? ----- the U.S.A.has _______population of 297 million.A. of, a B. of, / C. in, a D.in, /
Don’t put the bag _______ on the ground. The things in the bag are easily broken.
---Were you at home at 7:00 yesterday evening? I called you but no one was there. ---Sorry, we ___________ a movie at the theatre at that time.
I am always ________ to speak in the front of the classroom.
Helen got up too late this morning, so she went to school _____ breakfast.
I ____________ some clothes to charity because they are too small for me.