21. At the time of the Mexican agrarian revolution, the most radical faction, that of Zapata and his followers, proposed a return to communal ownership of land, to what had been a pre-Columbian form of ownership respected by the Spaniards. (A) land, to what had been a pre-Columbian form of ownership respected by the Spaniards (B) land, a form of ownership of the pre-Columbians and respected by the Spaniards (C) land, respected by the Spaniards and a pre-Columbian form of ownership (D) land in which a pre-Columbian form of ownership was respected by the Spaniards (E) land that had been a pre-Columbian form of ownership respected by the Spaniards 23. According to United States Air Force officials, a cannon shooting dead chickens at airplanes has proved helpful to demonstrate what kind of damage can result when jets fly into a flock of large birds. (A) shooting dead chickens at airplanes has proved helpful to demonstrate (B) shooting dead chickens at airplanes has proved itself helpful as a demonstration of (C) shooting dead chickens at airplanes proves itself helpfull as demonstrating (D) that shoots dead chickens at airplanes proves itself helpful to demonstrate (E) that shoots dead chickens at airplanes has proved helpful in demonstrating 16. In the traditional Japanese household, most clothing could be packed flatly, and so it was not necessary to have elaborate closet facilities. (A) flatly, and so it was not necessary to have elaborate closet facilities (B) flat, and so elaborate closet facilities were unnecessary (C) flatly, and so there was no necessity for elaborate closet facilities (D) flat, there being no necessity for elaborate closet facilities (E) flatly, as no elaborate closet facilities were necessary 10. For many people, household labor remains demanding even if able to afford household appliances their grandparents would find a miracle. (A) even if able to afford household appliances their grandparents would find a miracle (B) despite being able to afford household appliances their grandparents would find a miracle (C) even if they can afford household appliances their grandparents would have found miraculous (D) although they could afford household appliances their grandparents would find miraculous (E) even if they are able to afford household appliances which would have been a miracle to their grandparents 14. Originally published in 1950, Some Tame Gazelle was Barbara Pym’s first novel, but it does not read like an apprentice work. (A) does not read like an apprentice work (B) seems not to read as an apprentice work (C) does not seem to read as an apprentice work would (D) does not read like an apprentice work does (E) reads unlike an apprentice work