根据中文提示，用词组的适当形式填空，每空一词。(每小题1分，共5分)
It's bad behavior to spit ___________ ____________ (当众).
Grandma usually ___________ __________ (醒来)early in the morning.
His parents are ___________ __________ (对严格要求) him.
Remember to ___________ __________ (关掉)the tap when you are not using it.
___________ __________ (刚才), my teacher told me to pay attention to my handwriting.