――Tomorrow is _______ Day.――I suggest you buy your teachers some presents. What do you think?
This piano is too big. Can you make ________ for it?
The number of the students in our school always growing.
Leaves fall _______piles ________the ground
They think wolves are dangerous _________humans so this leads _______the danger of wolves.
Wolves often work __________a team and they never kill for __________.