Select the most appropriate option to fill in blank no. 1.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. appears.
- Since the given sentence is in the present perfect tense or present perfect progressive tense.
- The present perfect tense is formed from the present tense of the verb have/has and the past participle of a verb.
- Thus, appears would be the most appropriate filler for the given blank.
The correct sentence is:
When the air is clear, the sunset has been yellow, because the light from the sun has passed
a long distance through the air and the blue light appears scattered away.