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[单选题]
It’s known by everyone that______horse is______useful animal.
A.a; an
B.the; the
C./; a
D.a; a
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A.a; an
B.the; the
C./; a
D.a; a
A.known
B.supposed
C.regarded
D.considered
B.Don’t mention it.
C.It’s fine.
D.Great, I am very art-conscious.
A.being well known
B.which is well known
C.is well known
D.well known
A.错误
B.正确
A.It
B.As
C.That
D.What
A.正确
B.错误
A.knew
B.knows
C.has known
D.had knew
A.eventual
B.formal
C.frequent
D.ordinary
A.错误
B.正确