The reason (why) Jack (failed) to (attend) the lecture is (because) he had a bad cold.
人的一切认识都最终来源于______
学生动作的执行由出声的外部语言到不出声的外部语言
下列静脉的回流，不经右心房的是______
毛泽东思想的初步形成是在______
My bike is broken, I need to have it______.
甲的父亲立遗嘱指定甲继承财产。那么甲对其父亲财产的继承权属于______
下列机关有权宣告公民死亡的是______
依照我国《婚姻法》的规定，下列属于结婚形式要件的是______
The (three-fields) system is an agricultural method in which one field (out of) (three) is (left) to lie fallow while the other two fields are being cultivated.
父母没有预料到孩子的问题这样难回答。
《秃头歌女》、《等待戈多》等戏剧属于______戏剧。
无因管理的事务______
The Prime Minister refused to comment on the rumor that he had planned to______.
目前地球上面积最大，对维持人类生存环境起最大作用的森林生态系统是______
The Rose Bowl parade (takes place) every year (in) Pasadena (in) (New Year's Day).
设f"(x)存在，且=-1，则函数f(x)在x=1处的结论正确的是______
The car crashed into the train, and the driver was killed______the spot.
霸权主义和强权政治的社会根源是______