________ to use in April, 2010, the road has solved the long-standing problem of traffic jams
of this area.
A.Put | B.Putting | C.Having put | D.Being put |
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________ to use in April, 2010, the road has solved the long-standing problem of traffic jams
of this area.
A.Put | B.Putting | C.Having put | D.Being put |