I remember there _____ a lot of fish in Yanglan Lake.Now it has been polluted.
What a pity!I think we should play a role in protecting the environment.( )
A.are used to haveB.are used to be
C.used to haveD.used to be
I remember there _____ a lot of fish in Yanglan Lake.Now it has been polluted.
What a pity!I think we should play a role in protecting the environment.( )
A.are used to haveB.are used to be
C.used to haveD.used to be
试题篮
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