— When _________ you________ your teeth, Billy?—Just now.
#42507
A
do; brush
B
have; brushed
C
did; brush
D
was: brushing
推荐题目
My aunt is a writer. She ______ more than ten books since 1980.
#42321
A
writes
B
wrote
C
has written
D
will write
When I dropped in, Dr Smith _____, so we only had time for a few words.
#40333
A
just left
B
was just leaving
C
has just left
D
had just left
John ________ to Japan on business. He’ll be back ________ a few days.
#39675
A
goes; in
B
went; after
C
has gone; in
D
go; after
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