---- Look! Everything here is under construction.
---- Oh, has the building once ___ for exhibition been pulled down, too?
A.having been built | B.being built | C.to be built | D.built |
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---- Look! Everything here is under construction.
---- Oh, has the building once ___ for exhibition been pulled down, too?
A.having been built | B.being built | C.to be built | D.built |
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