My little sister is afraid of to stay at home alone.
I don’t know ________. Could you help me?
--- Is Jason going to the party? --- I’m afraid not. He ________ to Hong Kong.
One of the most popular 3D films --- Avatar Ⅱ________ in 2014.
Please tell the kids not ________ near the river. It’s too dangerous.
Sarah always makes her son ________ his hands before eating.