Fill in the blank with ONE suitable word to complete the following sentence:

Thomas Cook (1808-1892) is ... considered to be the father of modern mass tourism.

Underline one mistake in the following sentence and correct it:

Not only Hoa sings beautifully but she also plays the guitar well.

Underline one mistake in the following sentence and correct it:

My father walked to his office in spite of raining heavily.

Underline one mistake in the following sentence and correct it:

Vietnamese food is considerable low fat and high in carbohydrates.