— 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
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I want to know if they _____ the spring sports meeting next month. I must get ready for it if they ___ it. 
#39414
A
hold, will hold
B
will hold, hold
C
hold, hold
D
will hold, will hold
    TV at that time?
#39549
A
Did you watch
B
Have you watched
C
Were you watching
D
Are you watching
If I find his phone number,I ________ you.
#42412
A
tell
B
told
C
will tell
D
have told
He _____ in this factory for 20 years already.
#36321
A
will work
B
works
C
has worked
D
is working