—— What are you doing? —— I _____ a letter to my pen pal. A.write B.am wr...
——Whatareyoudoing?——I_____alettertomypenpal.A.writeB.amwritingC.writesD.amwrite...
—— What are you doing? —— I _____ a letter to my pen pal. A.write B.am writing C.writes D.am write
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