Question

When you go outing with the children, you must see to ______that they are safe.

A．them

B．everything

C．it

D．yourself

Answer 1

C

考察固定词组。See to it that务必…确保…;结合句意可知C正确。句意：当你和孩子一起外出的时候，务必要确保他们的安全。