试题题干
Fill in the blanks with an item as required.
With a preposition:
As a school bus driver, he must see
it that every child on the bus arrives at school safely every morning.
参考答案
试题解析
本题考查介词。由题干可知see to it that =see that/make sure that/check that ：确保，务必。
句意：作为一名校车司机，他必须确保校车上的每个孩子每天早上安全到达学校。