题目内容
She was just about to explain ___ she hadn't passed her maths test chiefly out of carelessness ___ her uncle came.
| A.her mother … when | B.to her mother why … that |
| C.her mother that … when | D.to her mother that … when |
D
explain/ announce等后面的结构是~ sth. to sb.或~ to sb. sth.,to 不可省略。
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