You will never truly understand your parents’ great love ______ you grow up.
until
if
since
as
_________ the people lost their lives in the traffic accident.
The young man is wondering________.
—Can you hear me? —No, I can’t. Would you please speak _________?
If you watch carefully, you can see_______________ the man does the trick.
Would you mind me ___________here? __________.Let me take my bag away.