— 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
The presentation of the Film Festival will be covered live tonight. It’s worth ________.
#40340
A
watches
B
watch
C
watching
D
being watched
—How many god medals did China at the 2010 Winter Olympics?—Five.
#42503
A
win
B
to win
C
winning
D
won
—What do you often do at weekends?—I often _________ my grandparents.
#36326
A
visit
B
visited
C
have visited
D
will visit
—Our City Park in 1998. —Wow, it has the same age as me.
#38255
A
built
B
is built
C
has built
D
was built