题目

I was much disappointed to see the washing-machine I had______the other day went wrong again. A.repaired it                        B.repaired C.it repaired                        D.to be repaired 答案：B 解析: 考查过去分词作宾语不足语。句中 had...repaired是定语从句的谓语动词，意思是“请别人修理”，定语从句中省略了作宾语的关系代词。如果把算式“72÷3+6×5”的运算顺序改为先计算加法，再计算乘法，最后计算除法，那么原式变为（_______________________________）。