题目

Have you been aware _______under the tree ________ a scholar and two assistants.A. that; are B. that; isC. of; are D. of; is 答案：【答案】A【解析】考查倒装句。句意：你知道在树下的是一个学者和两个助手。第一空为宾语从句，从句为不缺少成分的陈述句，故用that引导；第二空为完全倒装句，主语为a scholar and two assistants，故谓语动词用复数。故选A。喉是消化系统和呼吸系统的共同器官． ．（判断对错）