题目内容
【题目】
【1】Look out! There must be someone ____________ (knock) at the door.
【2】Terracotta Army(秦始皇兵马俑)is one of the most___________ (history) palaces.
【3】Many people believe the stone have a____________ (medicine) purpose.
【4】__________ (history)think Stonehenge was built about 5,000 years ago, however, they are not sure.
【5】The heavy rain kept us from ____________ (come) on time.
【6】He felt ____________ (sleep) and soon fell asleep.
【7】____________ (wolf) are usually friendly and helpful to each other when they live in groups.
【8】Some ____________ (policeman) were searching the house for useful clues (线索).
【9】Some model teachers were invited ____________ (attend) the meeting.
【答案】
【1】knocking
【2】historic
【3】medical
【4】Historians
【5】coming
【6】sleepy
【7】Wolves
【8】policemen
【9】to attend
【解析】
【1】knocking
句意：小心！一定有人在敲门。修饰代词someone，表示主动，正在敲门，故用现在分词，故为knocking。
【2】historic
句意：秦始皇兵马俑是最有历史意义的宫殿之一。修饰名词palaces，用形容词，故为historic。
【3】medical
句意：许多人认为那块石头有一种医药用途。修饰名词purpose，故用形容词，故为medical。
【4】Historians
句意：历史学家认为石头阵是在大约5000年前建造的，然而，他们不确定。根据谓语think是复数形式，故主语用复数名词，故为Historians。
【5】coming
句意：大雨阻止我按时到来。keep sb from doing sth阻止某人做某事，故用动名词coming。
【6】sleepy
句意：他感到困了，很快就睡着了。作为系动词felt的表语，故用形容词，故为sleepy。
【7】Wolves
句意：当狼群居时，他们经常彼此友好，互相帮助。谓语are是复数，故主语用复数形式，故为Wolves。
【8】policemen
句意：一些警察正在搜查那座房子找有用的线索。有some修饰，故用复数名词，故为policemen。
【9】to attend
句意：一些模范老师被邀请参加这个会议。be invited to do sth被邀请做某事，故此处用动词不定式to attend。
