问题
Has the doctor arrived yet? — No, she _____ an hour ago. [ ]
A: has to come
B: ought to have come
C: should come
D: used to come
B: ought to have come
C: should come
D: used to come
正确答案是：
同类题型
You can’t predict everything Often thingsdon’t_______ as you expect
You should the advice of your friends,or you’ll regret it.[ ]
I was so tired after a day of hard work that I could______ move any longer.A．really
Helen is talking _________ her parents _________the phone.
Jim’s seldom been late for school, _____—______. But he got to school on time this morning..