A.it very easy for doing | B.very easy to do it | C.it very easy | D.very easy for it to do |
A.useful | B.available | C.extra | D.spare |
A.high | B.nothing | C.full | D.empty |
A.strange | B.amused | C.curious | D.conscious |
A.conventional | B.pessimistic | C.bureaucratic | D.theoretical |
A.beneficial | B.accessible | C.relevant | D.fundamental |
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