— When _______ you _______ to learn to ride your bike？ — I really can’t remember the time.
#41700
A
do; begin
B
did; begin
C
have; begun
D
had; begun
推荐题目
To everyone’s surprise , Alex _____ play chess very much when he was only four .
#39428
A
might
B
should
C
can
D
could
—Hello, may I speak to Mr Green , please?—Sorry. He ________ a meeting. Can you call him later?
#39035
A
has
B
is having
C
will have
D
had
—Where ___________ you go yesterday? —I ___________ to the beach.
#38758
A
did; go
B
did; went
C
do; go
D
do; went