He has never m----- that he has an aunt abroad,so I know not

为你提供精确解答
填入【mentioned】
他从没有提到过他有个姑姑在国外,所以我一无所知.
再问： She sings very well and she is the _____(win) of the singing competition I have been _____(interest) in collecting shells since then
再答： 【winner】胜利者 【interested】 be interested in 固定搭配。