Question

Exercise 1 Underline the correct term in each sentence.

It should take less than (an, a) hour to complete this test.

Answer 1

an

Step-by-step explanation:

When you say 'hour', the 'h' is silent meaning than the first sound you omit when you say 'hour' is the 'o' sound. Since 'o' is a vowel, the appropriate word 'hour' should follow up is 'an'.