Question 20 This question consists of a sentence that is either partly or entirely...
Sigmoid technical mcq question, verified with a worked answer. Free to practise - no sign-up.
This question consists of a sentence that is either partly or entirely underlined and may or may not have a grammatical error. There are four different options. Choose the option that correctly rephrases the underlined part of the sentence. Mark the answer as 'No error' if there is no error in the underlined part.
Sentence:
Solar flares can charge the upper atmosphere enough to affect the electromagnetic spectrum, interfere with short-wave radio communication.
Show answer & explanation
Answer: C. C) to affect the electromagnetic spectrum and interfere
Maintains grammatical parallelism with the infinitive 'enough to affect... and interfere...'.
Step-by-step Derivation:
Step 1: Infinitive structure: 'enough [to affect...] and [interfere...]'.