13．The farmers eat only 20percent of fruits they grow，the rest of which _____ sold to the supermarket．（　�。�
A．isB．areC．wasD．were

分析 農(nóng)民食用自己種植的水果僅占百分之二十，其余的都賣給了超市．

解答 答案：B
題干中定語從句的關(guān)系代詞which指代的是fruits，the rest of表示其余的，剩下的，本身沒有單復(fù)數(shù)概念，作句子的主語時(shí)，要根據(jù)它指代的內(nèi)容來確定謂語動詞的單復(fù)數(shù)；句意表示的是一般事實(shí)，要用一般現(xiàn)在時(shí)態(tài)．故選B．

點(diǎn)評 主謂一致是�？碱}型．按類型可分為：語法一致；概念一致；鄰近一致．學(xué)習(xí)時(shí)，要注意區(qū)分和掌握．

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