The correct structure is 'on which' or the relative adverb 'when' to refer to a date or event.
La estructura correcta es 'on which' o el adverbio relativo 'when' para referirse a una fecha o evento.
Task | Danny still remembers the day ______ he first flew an aircraft. |
---|---|
Answer | 4 |
a | on when |
b | that |
c | which |
d | on which |
comment | It is correct to say 'on which'. This structure is quite formal, so we could use here a relative adverb 'when'. |
topic | adverbs |
level | 2 |
Tags: 1132
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