While I _______ down the street, I _______ my classmates.
#41817
A
was walking; met
B
walked; met
C
was walking; was meeting
D
walked; was meeting
推荐题目
----- I haven’t heard from Henry for a long time.----- What do you think ___________ to him?
#41739
A
has happened
B
to happen
C
was happening
D
had happened
  By the time I was nine ,I ______hundreds of English words.
#38204
A
had learned
B
have learned
C
has been learned
D
had been learned