A.reliable | B.stubborn | C.artificial | D.intelligent |
A.as twice | B.twice many | C.twice many as | D.twice as many |
A.as well as | B.no better | C.no worse | D.not better |
A.relevant | B.beneficial | C.adequate | D.elegant |
A.much smaller | B.much small | C.much bigger | D.much big |
A.quick | B.the quickest | C.much quick | D.quicker |
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