---I have finished my homework already, mum.--- When ________ you ________ it?
#39868
A
did; finished
B
did; finish
C
have ; finished
D
were; finishing
推荐题目
By the end of last month, I _____ all the CDs of Justin Bieber.
#42234
A
collect
B
collected
C
have collected
D
had collected
—How many times ________ Li Yan ________ to the Great Wall?—Twice.
#38217
A
has; been
B
is; going
C
has; gone
D
does; go
-- ______did your uncle leave his hometown ?--He ______ for nearly twenty years.
#39845
A
When, has left
B
When, has been away
C
How long, has left
D
How long, has been away