【正文】
, 其中的 to是介詞 , 后接動(dòng)名詞 , 故排除 B、 C兩項(xiàng) 。 be married to 狀態(tài) , marry 。 15. We39。re all looking forward________. A. to be written to B. to write C. to being written to D. to writing 答案: C look forward to是一短語(yǔ) , 其中 to為介詞 ,故排除 A、 B選項(xiàng) 。 從句意上分析應(yīng)使用動(dòng)名詞的被動(dòng)式 。 16. When he saw a mouse________on the table, he stopped drawing and________it. A. play。 watched B. playing。 watched C. playing。 watching D. to play。 watching 答案: B see sb. doing “ 看見(jiàn)某人正在做某事 ” , and連接兩個(gè)并列謂語(yǔ) , 動(dòng)詞時(shí)態(tài)保持一致 。 17 . He managed to steal into the room without________and took away all the money. A. noticing B. being noticed C. have noticed D. having been noticed 答案: B without是介詞 , 后接名詞或動(dòng)名詞作賓語(yǔ) ,此處用動(dòng)名詞的被動(dòng)式表示 “ 被人發(fā)現(xiàn) ” 。 18 . More attention should be paid________the pollution of the environment. A. to protect B. to save C. to protecting D. to preventing 答案: D pay attention to是固定搭配 , 意為 “ 注意 ” ,to是介詞 , 所以后接動(dòng)名詞作賓語(yǔ); protect意為 “ 保護(hù) ” ;prevent指 “ 阻止 ” , 故選 D項(xiàng) 。 19. —What39。s the matter with the man? —________from school for nothing made him mad. A. His son is absent B. His son being absent C. His son39。s being absent D. His son39。s absent 答案: C one39。s doing , 可以作主語(yǔ) 、 賓語(yǔ)或表語(yǔ) , 此處 His son39。s being absent作主語(yǔ) 。 20. It39。s no good________work and not________up our experience. A. doing。 to sum B. doing。 summing C. to do。 to sum D. to do。 summing 答案: B It39。s no good doing , 意為“ 做某事是不好的 ” , 此處的 do和 sum up兩個(gè)動(dòng)作是并列關(guān)系 , 所以都用動(dòng)名詞形式 。 21. What worried the boy most was________to visit his mother in the hospital. A. his not allowing B. his not being allowed C. his being not allowed D. having not been allowed 答案: B one39。s being done是動(dòng)名詞復(fù)合結(jié)構(gòu)的被動(dòng)式 , 變成否定式直接在動(dòng)名詞前加 not, 即 one39。s not being done, 這個(gè)結(jié)構(gòu)可作主語(yǔ) 、 賓語(yǔ)或表語(yǔ) 。 22. He was angry at________the truth. A. not telling B. not told C. not being told D. not having told 答案: C not bein