If you _____ the medicine you _____ better now.
Harry Potter lives and studies in a world _________ anything can happen, ______ attracts millions people.
With a lot of children _________ noise around, the students couldn’t concentrate their attention on what they were learning.
I’ll be late home tonight because something has just ______ at work.
It is so nice to hear from her. __________, we last met more than thirty years ago.
The days _______ we spent together on the farm are not easy _________.