10.
Your Answer is
Correct Answer is F
Explanation
When introduces time adverbial clauses modify attributive clauses (which is very convenient) do not need to be separated by punctuation marks, F is correct.
10.
Your Answer is
Correct Answer is F
Explanation
When introduces time adverbial clauses modify attributive clauses (which is very convenient) do not need to be separated by punctuation marks, F is correct.