Ithasbeenyears________Ireturnedhome.
C
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：Where have you been since I last saw you? 自从我上次见到你以后，你到哪去了 ?
Amongthefollowingwords,“______”containsanegativeprefix.
“ Apple, pear, peach, orange, lemon, etc. ” make up the ______ of “ fruit ”.
The following words of the basic word stock denote the most common things and phenomena of the world around us EXCEPT ______ .