It is reported that the local police ________ the case of two missing children, but no much progress has been made up to now.
A.looked into | B.will look into |
C.have looked into | D.are looking into |
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It is reported that the local police ________ the case of two missing children, but no much progress has been made up to now.
A.looked into | B.will look into |
C.have looked into | D.are looking into |