I think it's ____useful advice 空中填不填冠词,如果填冠词,那么应该填什么
问题描述:
I think it's ____useful advice 空中填不填冠词,如果填冠词,那么应该填什么
答
a useful book
a usual story
an unusual story
看字母发音是元音还是辅音