More sentences multiple clauseVersión en línea Structure question skills 9 to 12 por Fernando Benitez Leal 1 Dolphins form extremely complicated allegiances and _____ continually change. a enmities that b that are enmities c enmities that are d that enmities 2 Scientists are now beginning to conduct experiments on ____ trigger different sorts of health risks. a noise pollution can b that noise pollution c how noise pollution d how noise pollution can 3 The Apollo 11 astronauts ____ Earth’s inhabitants witnessed on the famous first moonwalk on July 20, 1969, were Neil Armstrong and Buzz Aldrin. a whom b whom millions c were some d whom some were 4 At the end of the nineteenth century, Alfred Binet developed a test for measuring intelligence ______ served as the basis of modern IQ tests. a has b it has c and d which has 5 ______ have at least four hours of hazardous materials response training is mandated by federal law. a All police officers b All police officers must c That all police officers d For all police officers 6 A cloud’s reservoir of negative charge extends upward from the altitude at __the freezing point. a temperatures hit b hit temperatures c which temperatures hit d which hit temperatures 7 In a 1988 advanced officers’ training program, Sampson developed a plan to incorporate police in enforcing environmental protection laws whenever _____ feasible. a it is b is c has d it has 8 _____ will be carried in the next space shuttle payload has not yet been announced to the public. a It b What c When d That 9 During free fall, ____ minute, a skydiver will fall at a constant speed of 120 m.p.h. a it is b which is c being d is 10 The fact the most important ____ ratings period is about to begin has caused all the networks to shore up their schedules. a is that b of c that d what e is that f of
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