问题
选择题
No sooner _____ the boy fall into the pond than he ____ to his feet and went to the rescue.
A.he had seen… jumped
B.had he seen… jumped
C.has he seen… is jumped
D.did he see… had jumped
答案
答案:B
No sooner _____ the boy fall into the pond than he ____ to his feet and went to the rescue.
A.he had seen… jumped
B.had he seen… jumped
C.has he seen… is jumped
D.did he see… had jumped
答案:B