--When can I go out to play football, Mum? --Finish your homework first, or I won't let you ________.
.-Are there any tickets left? -Sorry. There are ________, if __________.
If I were _________ younger, I would do ___________ I am interested in.
-Haven’t we met each other at ________ party? -Yes, but I can’t remember whether it is _________ Christmas when we were in college.
.Lily succeeded, for she had made the greatest _________ and got over plenty of difficulties.
.The pretty young woman is now experiencing a whole new world that is incredibly awkward _________ there is true love, happiness and care.