Multiple choice

In order to [a]finish the project according to schedule[b], we will have to work[c] in advance on the steps what require[d] contractors' work.

Find out the part having error

  1. a

  2. b

  3. c

  4. d
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Relative clauses referring to things (steps) should use 'that' or 'which', not 'what'. 'What' functions as a fused relative pronoun meaning 'the thing that' and creates incorrect structure here. The correct phrases are 'steps that require' or 'steps which require'.

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