A. . which B. . that C. . its D. . whose
A. . to which B. . in which C. . off which D. . from which
A. . If he did not spread B. . Had he not spread C. . Did he not spread D. . Should he not spread
A. . more than to idle B. . than idle C. . rather than to idle D. . more than idling
A. . as B. . what C. . that D. . like
A. . If he didn’t study English very hard through self-learning B. . Were he to study English very hard through self-learning C. . Had he didn’t study English very hard through self-learning D. . Hadn’t he studied English very hard through self-learning
A. efficient B. sufficient C. efficiency D. sufficiency
A. embarrassing, rusted B. awkardness, rust C. awkward, rust D. embarrassment, rusted
A. personal B. private C. impersonal D. personnel
A. admire B. admiring C. admit D. admitting