--When _______ you _______ to learn to skate?--Five years ago.
#41709
A
do , begin
B
will , begin
C
have , begun
D
did , begin
推荐题目
By the first day of August, 2007, the PLA ________ for eighty years.
#39441
A
founded
B
has founded
C
has been found
D
had been founded
---Listen! Who ______ in the next room? ---I think Sam is.
#41778
A
sing
B
sings
C
singing
D
is singing
---How long __________ your parents ___________? ---For about twenty years.
#41734
A
did, marry
B
have, married
C
have, got married
D
have, been married