After you finish the exercises, you’d better have your answers ___________.
---- How do you usually go to school, Mary?----I usually go to school _______ a bus.
I left my bag in your home. Can you _______ it to our school tomorrow.
----When __________ they leave here ? ----Next Monday.
In a few years’ time, there ______a lot of trees around the house.
----Who ________ is going to have a piano lesson? ----Nobody.