Some students were too tired on after the tiring trip .A. not to walk B. walk C. to walk
The little girl kept ________ the house, because she wanted to keep it _________.
Would you please __________ us one of your __________ designs?
He always seems _______. Now he’s looking ________at his new drawing.
---________ do you usually spend ______ the piano? ---Two hours every day.
Helen writes ___________ than __________ girl in her class.