In communication, a smile is usually _____ strong sign of a friendly and _____ open attitude.

I’m not sure whether I will have anything else to do this evening_____, I will try every possible means to come to your birthday party

Mary is really good at taking notes in class. She can almost every word her teacher says.

I don’t think his success has a lot to do with good luckIt’s hard work ______ has made him what he is today

He told me that the earth ____ around the sun.