I don’t think I climb that mountain alone.A. am able toB. am good atC. am busy with
—When will the 2010 World Expo(世博会) come to a close? —It’ll close at the end of ________.
—Why didn’t Betty come to school yesterday?—_________ she was ill.
—Can you come to my party on Saturday afternoon? —___________. I’ll have to help my parents.
—Meat isn’t really dangerous, is it? —Oh! _________! It’s not at all good for our health.
—Peter, what if your parents go out? —They ask me to _______ myself.