1.They think in getting their materials， and also in _______ them，and in plastering them together with mud.

　　A. arranging B. arrange

　　C. being arranging D. arranged

　　2.I am in favor of his proposal that a special committee _______ to examine the problem.

　　A. set up B. was set up

　　C. be set up D. is setting up

　　3.It has long been assumed _______ aggression is caused by male hormones.

　　A. what B. that

　　C. which D. who

　　4.The actor was almost _______ most audience before he played that part.

　　A. known of B. unknown to

　　C. known for D. unknown for

　　5.The fixed star was _______ a planet.

　　A. made of B. made from

　　C. made up for D. mistaken for

　　參考答案：

　　1.正確答案：A答案解析：介詞in后接動名詞，所以正確答案為A.

　　2.正確答案：C答案解析：這里所要考查的是虛擬語氣的用法，句子中的單詞proposal后面的從句做它的同位語，從句中應該使用虛擬語氣，形式為“(should)+動詞原形”，再者，動詞應該用被動語態(tài)，所以正確答案為C.

　　3.正確答案：B答案解析：本題考查的是引導詞的用法，這里的句子主語是aggression is caused by male hormones，因為主語過長，所以后置，用形式it來替代，后面的引導詞就需要用that，所以答案選B.

　　4.正確答案：B答案解析：“這位演員在演這出戲之前幾乎大多數(shù)觀眾都不知道他。”“be unknown to ”不知道，陌生。選B. unknown.

　　5.正確答案：D答案解析：be mistaken for：被誤認為