The video tutorial provides a brief instruction on how to spell the word 'railroad'.

What is the first letter in the word 'railroad'?

• D

• R

• A

• L

Which of the following letters appears twice in the word 'railroad'?

• A

• R

• O

• I

What is the last letter in the word 'railroad'?

• L

• A

• R

• D

How many vowels are there in the word 'railroad'?

• 5

• 4

• 3

• 2

Which of the following is the correct spelling of the word?

• Railraod

• Rialroad

• Railrood

• Railroad