—Fangfang failed in the singing competition. She must be very sad.
—Let's go and ______.

【正确答案】 B

【答案解析】 本题考查动词短语的辨析。wake sb up叫醒某人；cheer sb up使某人高兴或快活；pick sb up接某人。本题应用cheer her up，句意：——芳芳在唱歌比赛中失败了，她一定很伤心。——我们去让她开心起来吧。