单项选择题
—Excuse me, could you tell me which bus goes to the Fine Arts Museum? —（）
A.No, I can’t. B.Yes, you’re right. C.I don’t know either. D.Sorry, I don’t know.
单项选择题 Sometimes it's easier to talk to a stranger（）to an old friend or a relative.
单项选择题 Tom, with a dog,（） standing on the floor upstairs yesterday.
单项选择题 An old lady was living next door. I heard her（）as I passed her room last night.
