It has been years ________ I returned home.
A、afterC
译文：我回家已经有好几年了。此题考查连词since的用法。since表示“从(过去某事)以来，以后或到现在”时，主句多用完成时态。又如：WherehaveyoubeensinceIlastsawyou?自从我上次见到你以后，你到哪去了?
“Woman”becomes“Frau”inGerman,“femme”inFrenchand“fùnǔ”inChinese.Thisexampleshowsthatindifferentlanguagesthesameconceptcanberepresentedbydifferent______.
Heinsuredhiscar________hehadanaccident.
“Apple,pear,peach,orange,lemon,etc.”makeupthe______of“fruit”.
Which of the following is NOT one of the main sources of new words in the present-day English vocabulary?
Which of the following is NOT one of the characteristics of idioms?
