It (52)______ on the banks of the river Danuble and is the gateway between East (53)_____ West Europe.Đoạn văn46/73It (52)______ on the banks of the river Danuble and is the gateway between East (53)_____ West Europe. standing standsstoodwas standingGiải thíchChọn B Chủ ngữ ‘it’ => V thêm s/es