X0101 EFFECT 33 LIVE 2020-11-20 0000940394-20-001457 485APOS 0000779991 EATON VANCE INVESTMENT TRUST 033-01121 S000004825 Eaton Vance Floating-Rate Municipal Income Fund C000013046 Eaton Vance Floating-Rate Municipal Income Fund Class A S000004825 Eaton Vance Floating-Rate Municipal Income Fund C000091009 Eaton Vance Floating-Rate Municipal Income Fund Class I S000004825 Eaton Vance Floating-Rate Municipal Income Fund C000225142 Eaton Vance Floating-Rate Municipal Income Fund Advisers Class