A.To ignore | B.Ignored | C.Ignoring | D.Being ignored |
A.crossing | B.cross | C.to cross | D.in crossing |
A.only to learn | B.to learn only | C.only learned | D.only learning |
A.explaining | B.to explain | C.being explained | D.explained |
A.study; of whom | B.study; of them | C.studying; of them | D.studying; of whom |
A.have reached | B.reaching | C.to reach | D.to be reaching |
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