Question

Parents should see to it _______ their children form the habit of brushing their teeth every day.

1. A.
   this
2. B.
   that
3. C.
   whether
4. D.
   if

Answer 1

B
试题分析：考查从句，that引导的同位语从句，对it进行解释说明，句子意思“父母应该料理他们的孩子天天刷牙的习惯”
考点：考查从句
点评：从句是高考常考内容之一，需要考生能够分析理解句子的结构，熟记连词关系词的句法功能。
即学即练：You were rude to your sister, _____you should make an apology to her.
A. whom       B. for which    C. for whom     D. which
选B