She gave me some __________ documents.

1.   ?    confidential
2.   ?    confidence
3.   ?    confidentiality
4.   ?    confided

Don’t wake up the ______ child, please.

1.   ?    sleep
2.   ?    slept
3.   ?    sleeping
4.   ?    asleep

Elections are the ______ of all local unions, so the General Union is in no position to assume responsibility.

1.   ?    obligatory
2.   ?    obliged
3.   ?    obligation
4.   ?    obligate

Some employees seem ______ about how to operate the new system than they did before they attend the workshop.

1.   ?    confusion
2.   ?    confuse
3.   ?    confused
4.   ?    confusing

We should value the natural _______.

1.   ?    resources
2.   ?    resource
3.   ?    resourceful
4.   ?    resourcefulness