The "paperless office" theory went something like this: people would store their information on disks and computers instead of using file folders and paper. As a result, paper use would decrease. This was supposed to help preserve natural resources as well as reduce the world's solid-waste disposal problem. | 112. C Until indicates a time or an action that another action depends upon. Choice A is conditional and is not logical in the sentence. Choice B indicates a time relationship but is not logical in the sentence. Choice D is a relative pronoun. 113. D The assistant is the one who signed the memo so the simple form of the verb is used. Choice A is the present participle. Choice B is the past participle. Choice C is the future tense. 114. C Real conditions in the present tense may use present tense in the -clause. Choice A is the past tense. Choice B is the present continuous. Choice D is the future. 115. D An action that has been happening in the past and is continuing in the present may use the present perfect continuous. Choice A is the simple form. Choice B is the past tense. Choice C is the past perfect tense. 116. B To catch on means to become familiar with doing something. Choices A C and D are not correct two-word verbs. 117. D Final is an adjective that modifies result. Choice A is a verb. Choice B is an adverb. Choice C is a noun referring to a person. 118. C Co through means to complete a transaction. Choice A means to rise. Choice B means to leave a place. Choke D means to exceed. 119. C Someone else will finish the inventory so the past participle is used. Choice A is the future passive . Choice B is the simple form. Choice D is the present participle. 120. B Were is the form of be used in the if-clause of an unreal condition. Choices A C and D are not used in the if-clause of an unreal condition. 121. B Not only. . . but also is a paired conjunction. Choices A C and D are not paired with not only. 122. D An action in progress is indicated by the present continuous here it is in the passive form. Choice A is present continuous active . Choice B is present tense passive . Choice C is the simple form of the verb. 123. C Should is a modal that indicates obligation or preference. Choices A and D are forms that indicate completed actions and are not consistent
