It has been years ________ I returned home.
A、afterC
譯文：我回家已經有好幾年了。此題考查連詞since的用法。since表示“從(過去某事)以來，以后或到現在”時，主句多用完成時態。又如：WherehaveyoubeensinceIlastsawyou?自從我上次見到你以后，你到哪去了?
Oxford Advanced Learner s Dictionary ’ , 3rd Edition (1980), is among the best-known British ______ dictionaries.
Modern English vocabulary develops through the following channels EXCEPT ______.
If you try to learn too many things at a time, you may get ________.
Youshouldhelpthem________whenyourfriendsquarrelwitheachother.
Happiness doesn ’t alway s _______ money.
