Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one. 21._______ is a sport in which you move along the surface of the sea or a lake on a long narrow board with a sail on it. a. Water polo b. Diving c. Windsurfing d. Scuba diving 22.Water polo balls _______ with a special texture so it will not slip from the hands of a player. a. cover b. are covered c. are being covered d. covered 23.Alexis _______ next week. a is swimming in the state championship b. is swimming the state championship c. is swum the state championship d. is swum the state championship 24.The news of war _______ and the world. a. was shocked the nation b. was shocked by the nation c. shocked the nation d. shocked by the nation 25.The player _______. a. will reward for his hat-trick b. will be rewarded for his hat-trick c. will reward his hat-trick d. will be rewarded his hat-trick 26.Before the end of the term, I _______ all the required reading. a. was finished by b. had been finished by c. had finished d. had been finished 27.The player was ejected because he committed a foul. a. as b. due to c. despite d. provided 28.John could not continue the match _______ his badly injured leg. a. because b. since c. as d. because of 29.They cancelled the match _______ his badly injured leg. a. due to it rained heavily b. because of the heavy rain c. because of it rained heavily d. because the heavy rain 30.You need proper shoes to go hiking in the mountains, _______ the ground is rough and hard. a. though b. due to c. because of d. because