We are quite ignorant of what has been achieved in this field.(nothing) ____________.
第2题
We are now quite different from ______ human beings.
A.prime
B.primitive
C.primary
D.preliminary
第3题
A.respectful
B.respectable
C.respective
D.respected
第4题
He suggested that we put the scheme into effect, for it is quite ________.
A.probable
B.sustainable
C.feasible
D.eligible
第5题
A.is; are
B.is; is
C.was; are
D.was; was
第6题
We stop at a worn car.It has seen a better day,there are quite a few scrapes on its body, the tires are bald and there is a crack in the windshield.
第7题
第8题
A.is; in
B.has been; for
C.uses; with
D.sells; to
第9题
__________ we need more practice is quite clear.
A.What
B.That
C.Which
D.When
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