题目

经测量，某地土壤中砂粒的含量约20%、粉砂粒的含量约20%，黏粒的含量约60%。据图判断，该土壤的类型为类土壤。 答案：【1】黏土It was playing computer games_______ cost the boy plenty of time______ he ought to have spent doing his homework.     A. that; that       B. which; that        C. which; when   D. that; when