SIMPLE SENTENCE: INFINITIVE1. From the inception of his long and distinguished career, Frank Lloyd Wright wasconcerned with how __________ architecture with topography.integratingto integratedid he integrateintegrated2. Legendary home of the Nabateans, Petra is known ________ housed more than 15 ,000residents at one time.to haveto beiswhich3. Unless an observer knows ________ an eclipse properly, severe retinal and corneadamage can result.to observinghow observinghow to observeto have observed4. Sibling confrontations containing the seeds of unrequited hostility can serve ________familial difficulties lasting for years.the creation ofto createcreatingthat creates5. Judging from the blurry image of his right leg in many of his “seated ” photographs,Abraham Lincoln is thought ________ from Marfon’s Disease.to sufferto be sufferingto have sufferedto have been suffered6. The most important function of the Department of Agriculture is __________ for providinga sufficient and wholesome supply of food for the nation s people .when supplying the meansto supply the meansto have supplied the meansthat to supply the means7. Knowing __________ the alarm for an impending earthquake is a crucial problemconfronting seismologists.when to soundto have soundedthat to soundto sound that
8. The Asiatic wild ass, otherwise known as the "onager," is famed for knowing __________fast.runningto runhow to runhow to have run9. Lafons reagent, a solution of ammonium or sodium selenite , finds use as a test__________ codeine.detectionto detectto have detectedto detectable10. Thomas Edison is generally considered _________ one of the most productive of allinventors.to beto have beenbeingwho wasTOEFL Answers: B , A, C , B, C , B, A , C, B , B.