An Advanced Exercise: fill the gaps with one word (you can count a pronoun with a contraction as one word)!
This is an exercise that you should practice, practice, and practice more.
another good one from grammar cat
Holy
(adj): Sacred, divine, blessed.
Holiday: a holy or festive day; a day off, vacation (also sacred)
Expressions: Holy Cow! Literally true in India.
Ex: Holly Mackerel! Delicious, healthy and full of mercury.