my father is usually _____ home _____ Sundays. [ ]

Boys, don’t touch the machine, or you may hurt _________.

Be careful . You _______ cross the road when the traffic light is red . The traffic is heavy at this time of day .

Attention please. The plane will ______ in five minutes.

Mr.Wang is a man of few words,but quick in mind.—____,you know. 