Question

【题目】Look!BillyandWilly ________ (play)tabletennis ________ (happy).

Answer 1

【答案】are playing happily

【解析】

句意：看！比利和威利正在开心地打乒乓球。look是现在进行时be doing的标志词；BillyandWilly是复数，用are；play的现在分词是playing；修饰动词用副词，happy的副词是happily，故答案为are playing；happily。