Part II Vocabulary and Structures 21. For Soviets, clothing is the ____ of greatest complaint, housing follows, and food is last. A. source B. problem C. cause D. reason
22. As a student of Chinese literature, she enjoys giving ____ of poems by her favourite poets. A. recreations B. recitations C. repetitions D. rehearsals
23. Professor Allington asks his students to read the newspapers to keep ____ of current events. A. watch B. observation C. track D. information
24. More waste materials have to be ____ of, which cause pollution of the land, sea and air. A. detached B. deserted C. dismissed D. disposed
25. Fred was ____ in the alley last night, and all his money was taken away. A. held back B. held up C. held off D. held on