They have already ______ here. Let’s hurry to prepare.

eople complained about the stoneslying on a road, but _______ did anything about getting the stones out of theway

he governments and scientists not worked together , AIDS-related deaths _______ since their highest in 2005.

Who is that young woman— She is ________ teacher. She teaches ________ English.

The good thing about children is that they________ very easily to new environments.