問題補充：
單選題
Our TV sets sell well, but ten years ago no one could have imagined such a big share in the market that they ____.A.were havingB.had hadC.were to haveD.had
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C解析該題考查定語從句之中的時態(tài)，從題意“十年之前沒有人能夠想像他們將會有這么大的市場份額”可知該處時態(tài)應(yīng)為過去將來時，C項中的were to have表將來時，故
