Let’s practice the use of indefinite articles. Write a or an before the words. engineer nurse widow tornado orange umbrella egg car apple waiter

Sure! Here are the correct indefinite articles for the given words: engineer - an nurse - a widow - a tornado - a orange - an umbrella - an egg - an car - a apple - an waiter - a Remember, we use "a" before words that start with a consonant sound, and "an" before words that start with a vowel sound.