问题
选择题
Millie often goes to school by bus but ________her mother drives her to school.
A．sometimes
B．some times
C．sometime
D．some time
答案
答案：A
some time表示一段时间; sometime表示某时; some times表示倍数,次数; sometimes表示有时.整句理解为: Millie经常乘公共汽车去上学,但有时她开车送她去上学.所以选A。