engineering recuitment HAL Management & Design Trainee Mock Test 2023 English Grammar Phrase Replacement
Select the most appropriate option to substitute the underlined segment in the given sentence. If no substitution is required, select ‘No substitution’.
In this way, Gene cloning or Molecular cloning of the human DNA have been achieved.
1
have achieved
2
has been achieved
3
is being achieved
4
No substitution