将年幼的孩子独自留在家里是违法的。

It's ___against ___the ___law to leave a young child alone in the house.

玛丽认为她的叔叔参与了违法活动。

Mary thought her uncle was involved in activities ___against ___the ___law.

无证驾驶是违法的。

Driving without a license is ___against ___the ___law.