Smile to the world, the world will smile back to you.A. but B. or C. and
Alice ________ to see his aunt if she _______free tomorrow.
It is important for us ________English well.
Yesterday the teacher told us that the earth ________around the sun.
________ the alien was in the museum, I called the TV station.
Tim was so tired this morning. It was difficult to _________ of bed.