I've got a present from Tom. However really don't know what I sho_英语解答

I've got a present from Tom. However really don't know what I should send him_____return.
A.forB.inC.asD.on
选哪个?为什么?

人气：269 ℃　时间：2020-03-31 16:15:26

解答

C IN
IN RETURN有“作为回报”的意思.“我”已从TOM那获得了礼物,所以C符合题意