In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. When Roald Amundsen first (1) ______ the South Pole in 1911, he could plant (2) ______ flag there whilst, back in (3) ______ Arctic, no explorer ever had the luxury (4) ______ his claim with a flag. If he did, it would (5) ______ end up floating away to Greenland, making it a totally useless exercise. Select the most appropriate option to fill in blank no. 4.

Explanation

The correct answer is 'to secure'. Key Points The most appropriate title for the given passage is 'Amundsen's South Pole expedition'. Here, 'to secure' is the correct answer. We use ' to ' before a verb to make the to -infinitive form. Example: She loves to wear really colorful dresses. Thus, the correct answer is Option 1. Correct Passage:When Roald Amundsen first reached the South Pole in 1911, he could plant his flag there whilst, back in the Arctic, no explorer ever had the luxury to secure his claim with a flag. If he did, it would (5) ______ end up floating away to Greenland, making it a totally useless exercise.