题目

—What are they doing?—They’re ________________________. 答案：【答案】doing a play.【解析】句意：—他们正在干什么？—他们正在________。图片显示他们在表演，do a play，现在进行时结构be+doing，故答案为doing a play.解释下列词语并造句。 1.胸有成竹： 解释：_____________________________________________________________ 造句：_____________________________________________________________ 2.侃侃而谈 解释：_____________________________________________________________ 造句：_____________________________________________________________ 3.借花献佛 解释：_____________________________________________________________ 造句：_____________________________________________________________