— When _________ you________ your teeth, Billy?—Just now.
#42507
A
do; brush
B
have; brushed
C
did; brush
D
was: brushing
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