I ordered coffee while I was waiting for 18:00 filmI ordered coff_英语解答

I ordered coffee while I was waiting for 18:00 film
I ordered coffee while I was waiting for 18:00 film
填冠词并翻译这句话

人气：288 ℃　时间：2020-04-11 09:07:43

解答

a.the
我在等18:00的电影时,定了杯咖啡.
a coffee= a cup of coffeewhile该怎么翻译当.....时