【题目】The emoticons _____ when we want to stop a conversation, sparing us the embarrassment.
A. come around B. come in handy
C. come about D. come by
在线课程【答案】B
【解析】
考查动词词组。A. come around恢复知觉；B. come in handy迟早有用；C. come about形成，产生；D. come by得到，从旁走过。句意：当我们想要停止对话时，表情符号就派上用场了，这样我们就不用尴尬了。结合句意可知答案为B。