Only "an" is right. We can not use "a" in this case as the next word "umbrella" begins with "u" which is a vowel letter. And we can not use "the" as it is the first time we are talking about it and we are talking in general.
0,0(0 оценок)
Полный доступ
Позволит учиться лучше и быстрее. Неограниченный доступ к базе и ответам от экспертов и ai-bota
Оформи подписку
