C
saty：系动词,后加形容词表示一种状态.
而keep doing表示继续,持续做某事.
所以选C.
The bookstore _stays open_ until eight o'clock in the evening. 书店直到晚上8点还在营业.
C
saty：系动词,后加形容词表示一种状态.
而keep doing表示继续,持续做某事.
所以选C.
The bookstore _stays open_ until eight o'clock in the evening. 书店直到晚上8点还在营业.