Ithasbeenyears________Ireturnedhome.
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：Where have you been since I last saw you? 自從我上次見到你以后，你到哪去了 ?
—Davidhasmadegreatprogressrecently.—_______，and_______.
Whichofthefollowingispartiallyconverted?
ThedifferencesbetweensynonymsexistinthefollowingareasEXCEPT______.
TheIndo-EuropeanlanguagefamilyismadeupofthelanguagesofthefollowingEXCEPT______.
Ithasbeenyears________Ireturnedhome.
