—Is your father still a doctor? —______.

admin2011-01-14  20

问题 —Is your father still a doctor? —______.

选项 A、Yes, he was
B、No, but he used to be
C、No, but he used to
D、He didn’t use to

答案B

解析 used to be表示“曾经是……”,与现在有对比之意。to后的be要保留。
转载请注明原文地址:https://kaotiyun.com/show/DC5d777K
0

随机试题
最新回复(0)