lots of problems ________ in the class, our teacher looks very relaxed and happy.

Are these your sheep ?—No. Mine _____ on grass at the foot of the hill.

_____ is well-known to allthat the 2016 Olympic Games will be held in Rio de Janeiro, Brazil.[ ]

There came a point in his life____ he had to think about seriously about his future.

Everything was placed exactly _______he wanted it for the graduation ceremony.