There used to be a lot of tall buildings,_________?
Each of us should take action hunters catching bears for their fur. Otherwise, there will be no bears left in the world.
Father was reading a newspaper, ________ Mum was cooking dinner when I got home yesterday.
90% of the boys in our class __________ playing basketball.
— I phoned you at six yesterday afternoon, but nobody answered.— I _______ a walk with my parents near the river.
— The horse is standing with its eyes _______.— It may be sleeping.