He is c__________ and works very hard. He will succeed sooner or later

She likes animals very much and often s_______ Saturday mornings in the zoo

There is n______ except some milk in the fridge. Please go and buy some food

The book explains how to k_______ safe while youa are using the Internet

When she has f_______ time, she likes to join her friends in hid-and-seek

clever
spends
nothing
keep
free