单项选择题
A.Had you come
B.Did you come
C.Have you come
D.Should you come
单项选择题 —How are their talks going on Have they reached any agreement —They only seemed to have agreed to set another date for () talks.
单项选择题 Although he knew little about amount of work done in the field, he succeeded () other more well-informed experimenters failed.
单项选择题 Having been praised by the teacher, the little girl ran back home, ().