Not until the train pulled into the station          that his suitcase was gone.
#80674
A
had he found
B
did he find
C
he had found
D
he found
推荐题目
Not until he received the  invitation ________to attend the summit held in New York.
#80492
A
did he decide
B
he had decided
C
had he decided
D
he decided
 ________ the help of her teacher, Mary ________ in the past few months.
#83112
A
With; has made progress
B
Under; has made a progress
C
With; had made progress
D
Under; had made a progress