题目内容
山西省山西大学附中2011届高三第一次模拟考英语试题
When you go outing with your sisters, you must see to ________ that they are safe.
A. everything B. it C. them D. yourself
B

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山西省山西大学附中2011届高三第一次模拟考英语试题
When you go outing with your sisters, you must see to ________ that they are safe.
A. everything B. it C. them D. yourself
B