根据所给单词的适当形式填空。I don't understand the _______ (mean) of your words.
If you want your son to have good eyesight, you can make him__________( not spend) too much on the Internet.
Don’t drive too fast on ________ (fog) days. It’s dangerous.
Let ladies go first_______(show) your politeness.
Work hard and everyone can be a ________ (win).