问题

Bob could have seen the famous pop star ______ yesterday morning.

A:did he come
B:if he came
C:had he come
D:if he should come

正确答案是：

同类题型

He is not native, if he were, we _______ this discussion over his identity.

I hate _______ when young people speak tothe elderly in a rude way.

nd more young Indian women aresaying, “I don’t” rather than “I do” to child marriage, _____ their backs to atroublesome tradition that is still alive in the country’s poorest regions

There are only _____________ students in the classroom now.

Li Feng’s __________ of devotion to others will beremembered forever in China.