Will you see to ______ that the luggage is brought back?

    A. me　　　　 B. yourself　　　　 C. it　　　　　　 D. them

You may depend on______ that tour friends will help you whenever you need it.

A them　 B yourself　 C it　 D me

　I want to buy a computer, but there is only one left in that shop, so I'll have to buy ______.

　　　　A. one　　　　　　B. it　　　　　　C. that　　　　　　D. them

When you go outing with your sisters, you must see to ________ that they are safe.

A. everything　　B. it　　　　　　　C. them　　　　　D. yourself

________ is no difference between them.

    A. There　　　　　　 B. Where　　　　 C. It　　 　　　　D. What